The best things to do in Iceland are guided ice caves, glacier hikes, Silfra snorkeling, Northern Lights chasing, and lava caving: the experiences our guides have led for over 40 years.
Most “top things to do in Iceland" lists tend to ignore the one thing that actually shapes an Iceland trip: when you go. The right answer in February is not the right answer in July, and the gap between those two months is wider than the gap between the South Coast and the Westfjords. The 15 picks below are organized with that in mind, with a few we'd quietly skip mixed in.
The video above gives you a quick look at what Iceland’s top experiences feel like in real life: walking on glacier ice, stepping inside ice caves, snorkeling between tectonic plates, chasing the Northern Lights, and exploring volcanic landscapes with local guides. Use it as a preview, then read the guide below to see which activities fit your season, pace, and travel style.
The fun things to do in Iceland change sharply by season, which is why our guides usually start with timing before recommending activities. Glacier hiking, lava caving, Reykjavík sightseeing, and Silfra snorkeling run year-round, so they work in almost any itinerary. Winter changes the list most. Northern Lights chasing needs dark skies from September to April, while natural blue ice caves under Vatnajökull are only safe to enter from October until April.
Summer opens the places winter closes. Landmannalaugar and Hornstrandir become reachable, and the Midnight Sun gives hikers long, soft evenings on the trail. Shoulder months sit in between. The Golden Circle is fine year-round, but the route is easier from April to October, when daylight is longer, and roads are usually clearer.
These five experiences define the Iceland bucket list for many travelers before they arrive, and our guides still see them earn their place on real itineraries every season. The point is not to rank them or argue whether they’re worth it. The point is how to do each one well, from Silfra’s water temperature to Jökulsárlón stopover timing, glacier choice, and when the Blue Lagoon makes more sense than a local Reykjavík pool.
Our writer Justyna Zajkovska in Silfra. Snorkelers drift one direction down the fissure with the current, then exit at a ladder rather than swimming back. Photo: Valentina Azcona
The geology and the visibility are why this is a must-do in Iceland. The North American and Eurasian tectonic plates pull apart through Þingvellir National Park, and Silfra Fissure is the crack in between, filled with glacial meltwater that's been filtering through volcanic rock for decades. Underwater visibility regularly hits 100 meters (328 feet) and can reach 150 meters (490 feet) on a calm day.
The water stays 2 to 4°C (35 to 39°F) year-round, so the dry suit setup matters as much as the view. You’ll wear thermal layers, a dry suit, a hood, and gloves before stepping in. Our guides always prepare guests for the first 30 seconds, because that is the part people remember most: the hood floods cold, your breath tightens, and then your body adjusts. After that, the current carries you gently one way through the fissure, with no need to swim back against it. Most people spend around 30 to 40 minutes in the water.
Snorkeling Silfra requires a licensed operator and a certified dry-suit fit, so most first-time visitors book through our Silfra snorkeling and diving tours, which handle the gear, the transfer, and the in-water guide.
Guide tip:
The first 30 seconds in the water surprise most people. The hood floods cold, your hands tingle, and your breath shortens. It passes fast, usually by minute two you stop noticing. The dry suit does most of the work. Relax into it and float.
— Federica Ciuffreda, Arctic Adventures Silfra snorkeling guide
Season: Year-round. Peak: May to September (longer daylight, calmer surface above the fissure). Closed: Rare temporary closures may happen for safety checks, park events, or Silfra’s annual operator safety workshop.
Strokkur at low sun angle. The eruption photographs best at sunrise or sunset, when the steam catches color. Photo: Gunnar Gaukur
Iceland’s most-Googled route connects three classic stops in roughly 300 km (186 miles): Þingvellir National Park, the Geysir geothermal area, and Gullfoss waterfall. Travelers usually group these Golden Circle attractions into one day because the route is simple, close to Reykjavík, and easy to combine with extra stops.
Þingvellir is both geological and political history in one stop. The North American and Eurasian plates pull apart here, and Iceland’s first parliament was founded here in 930 AD. The main walk through Almannagjá gorge takes about 30 minutes, with clear paths, viewpoints, and a strange feeling that the landscape is quietly more important than it first looks.
The Geysir geothermal area is quicker and more crowded. The original Geysir is mostly dormant, but nearby Strokkur erupts every 5 to 10 minutes, which is why everyone stands around with a phone ready. It is touristy, yes, but still fun to watch once or twice. Gullfoss waterfall is the strongest finish: a two-tier waterfall dropping 32 m (105 ft) into a canyon, loud enough that you understand why this route became famous before Instagram helped it along.
Is the Golden Circle worth it? Yes, especially on a first visit. For repeat visitors with fewer than five days, it may feel less essential than the South Coast, Snæfellsnes Peninsula, or a glacier day. Self-drive saves time at each stop and lets you linger, but guided tours help with logistics, parking, and winter road decisions.
If you'd rather skip the rental car and the winter driving, browse our Golden Circle day tours from Reykjavík for guided options that handle the route, the timing, and the stops in a single day.
Season: Year-round. Peak: May to September (long daylight, easier driving). Closed: None, but winter conditions can shorten daylight windows; verify with road.is.
Most ice fragments reach knee height or higher, larger than they look in photos. Photo: Gunnar Gaukur
Treat Jökulsárlón and Diamond Beach as one connected stop, not two separate detours. Ice calves from Breiðamerkurjökull, an outlet glacier of Vatnajökull, then floats across Jökulsárlón glacier lagoon before drifting under the Ring Road bridge and out toward the Atlantic. A few hundred meters later, some of those same icebergs wash back onto Diamond Beach, where clear, blue, and white ice sits on black volcanic sand.
That short journey is what makes the beach worth visiting after the lagoon. Jökulsárlón gives you scale: deep water, floating icebergs, seals, and the glacier edge in the distance. Diamond Beach gives you texture. You can stand close to the ice, see the melt patterns, and watch waves move smaller pieces back and forth at the tide line. The lagoon is the bigger view, while the beach is the close-up.
Access is simple. Both sites are located along Route 1 in southeast Iceland, roughly 380 km (236 miles) east of Reykjavík. Paid parking is available at both lots, with public toilets on the lagoon side. The beach side has no facilities, so plan before crossing over. Wear waterproof footwear and keep well back from the surf, because wave wash around the ice can be unpredictable.
Guide tip:
Don’t rush straight from the lagoon parking lot to the beach side. If conditions are good, take the walking path from the Jökulsárlón side toward Diamond Beach instead. The walk usually takes around 15 to 20 minutes at an easy pace, and it gives you a better sense of how the ice moves from the lagoon toward the ocean. You may also find quieter viewpoints along the way, especially when larger icebergs are sitting closer to the river mouth.
Parking rules around Jökulsárlón and Diamond Beach can change, so always check the signs when you arrive. Still, walking between the two sides is often the better experience anyway. You get more time with the lagoon, more angles on the ice, and less pressure to treat Diamond Beach as a quick photo stop.
— Þröstur Sverrisson, Arctic Adventures South Coast guide
Season: Year-round. Peak: June to August for full daylight; November to March for low-light photography. Closed: Never, unless the road is closed due to weather.
Groups always walk single file at set spacing, pace matched to the slowest. Photo: Gunnar Gaukur
Pick your glacier hike by trip length. Sólheimajökull is an outlet of Mýrdalsjökull and the closer option from Reykjavík, roughly 2.5 hours away in summer and longer in winter or with photo stops at Seljalandsfoss waterfall en route. Short hikes here usually take around 3 hours, including the glacier transfer, and suit beginner glacier hikers with reasonable fitness. The ice has dark volcanic ash banding from nearby Katla and Eyjafjallajökull, which gives Sólheimajökull a striped, sometimes streaked look.
Skaftafell is the bigger glacier-day choice. The nature reserve is located on Vatnajökull, around 4 hours from Reykjavík in summer and longer in winter. Routes here cross outlet glaciers such as Skaftafellsjökull and Falljökull, with intermediate hikes typically lasting 5 to 7 hours. The terrain is the classic deep-blue, crevassed ice most people picture when they think of an Iceland glacier hike. When our guides explain the main glaciers in Iceland, this is usually the simplest split: Sólheimajökull is closer and easier to fit into a South Coast day, while Skaftafell needs more time but gives you a larger Vatnajökull setting.
Standard guided glacier hikes include crampons, a helmet, and an ice axe. They usually do not include sturdy waterproof boots, a waterproof shell, or waterproof trousers. Short routes at both sites are walked by intermediate-fit visitors every day. The reason to go guided is not extreme difficulty. It is crevasse safety, crampon fit, route choice, and knowing where the glacier is safe to walk that day.
Both sites are guide-only. Crevasse safety and crampon fit are not self-taught skills, so most visitors book through our guided glacier hike tours, which include gear and transfers from Reykjavík or Skaftafell.
Guide tip:
Wear thin merino socks, not thick ones. Crampon straps press the foot into the boot. Thick socks cause hot spots within 20 minutes. Bring sunglasses even in winter; glacier glare burns retinas faster than people expect.
— Daniel Soares, Arctic Adventures glacier guide
Season: Year-round (both sites). Peak: April to September (long daylight, stable surface). Closed: Never.
The Blue Lagoon's water arrives from a geothermal power plant next door, reused after energy extraction.
The Blue Lagoon dominates Iceland searches for three reasons: it's a 20-minute drive from Keflavík airport, decades of marketing put it on every list, and the layout was built for the first-time-visitor photo. For many travelers, the Blue Lagoon makes the most sense as a transit-day soak before or after a flight.
Advance reservations are required (often booked 1 to 2 weeks out in peak season), there are no walk-ins, the bag drop is mandatory, and entry is timed. We'd recommend it for first-time visitors with one day in Iceland, and for anyone arriving early or leaving late who wants a transit-day soak.
If you want the local version instead, skip it. Reykjavík has dozens of neighborhood pools fed from the same geothermal water, kept at the same temperature, and used daily by Icelanders. Locals go to Laugardalslaug, Vesturbæjarlaug, and Sundhöllin public pools, which are often quieter and cheaper. The closest comparable spa experience to the Blue Lagoon is Sky Lagoon, which is at the coast just south of Reykjavík and has a seven-step ritual that's also commercial but markedly less crowded. Pick by what you're after: marketing icon, local rhythm, or ocean-facing newer build.
Season: Year-round. Peak: June to August and December to January (holiday demand). Closed: No closed months, but daily hours shift by season. Short-notice closures sometimes happen during Reykjanes peninsula eruptions; check bluelagoon.com and safetravel.is before booking.
These three picks are decided by the calendar, not by preference. Aurora needs hours of darkness, so the season runs from September to April. Natural blue ice caves need sustained cold to be safe to enter, which limits them to October through April. Puffins arrive on Icelandic cliffs in early May and are gone by mid-August. If any one of these is the reason you're coming, book the dates first and build the trip around them.
The aurora pushing through broken clouds. Full cloud cover ends a show, but gaps in it often still work. Photo: Gunnar Gaukur
Seeing the Northern Lights requires three conditions, all at once: darkness, clear sky overhead, and active solar weather. In Iceland, the viewing season runs from September to April, with the strongest window usually from November to February. Most travelers think of the Northern Lights as a winter-only experience because you need dark skies, even though aurora activity can happen above the clouds year-round.
The KP index measures geomagnetic activity on a 0 to 9 scale. In plain English, it tells you how disturbed Earth’s magnetic field is, and stronger disturbance usually means stronger aurora potential. KP 3 with clear skies is the practical minimum for a good show outside Reykjavík. KP 4 and above counts as a strong night, and the aurora can sometimes be visible from inside the city. The lights have been spotted at KP 0, so a low reading is not a guarantee of no show. It just means longer odds.
Location matters less than light pollution. Þingvellir National Park, the Reykjanes lava fields, and the South Coast all fit because they give you darker skies than downtown Reykjavík. The city only works well on strong nights. Our guides check the Icelandic Met Office aurora forecast to read cloud cover, not just aurora strength, and choose the best viewing location each evening.
Most visitors with three or four nights in Iceland book through our northern lights guided tours specifically for the rebooking policy, which converts one weather-dependent chance into several.
Season: September to April. Peak: November to February (longest hours of darkness). Closed: May to August (sky never gets dark enough).
A guide for scale inside a Vatnajökull blue cave. Cave height varies trip to trip, often just enough to stand upright. Photo: Gunnar Gaukur
There are three ice cave categories: seasonal natural blue caves, a year-round natural ice cave, and a man-made ice tunnel. Seasonal natural blue caves are the classic winter photo ice caves in Iceland. Vatnajökull is the best-known option for crystal-blue ice, but Langjökull also has a natural blue cave accessible by snowmobiles. The deep glacial blue comes from old, compressed ice that has expelled most of its air bubbles.
Vatnajökull ice cave tours do not all work the same way. Some depart from Jökulsárlón Glacier Lagoon and include a Super Jeep ride toward Breiðamerkurjökull, an outlet glacier of Vatnajökull. Others depart from Skaftafell and combine a glacier hike with a natural ice cave visit on outlets such as Falljökull. You don’t need your own 4x4 for either option, but you do need to reach the meeting point yourself unless your tour includes pickup. Peak-season blue ice cave tours can sell out two to four weeks ahead of time from December through February.
Katla ice cave near Vík is the main year-round natural option. It sits on Kötlujökull, an outlet of Mýrdalsjökull, and its blue-and-black ice changes by season. Winter Katla is closer to the blue-cave feel, while summer Katla is darker, ash-streaked, and often looks more like a tunnel or an arch. Langjökull’s Into the Glacier is the man-made category: a carved ice tunnel open year-round. If you came for the deep-blue natural cave photo, our guides would usually point you to Vatnajökull in winter when available.
Guide tip:
Pick the cave by season, not by photos alone. Ice caves are natural formations, so the color, size, and shape can never be guaranteed. In general, the deepest blue tones are most often seen during the coldest winter period, from November through late December. If the deep-blue ice is your priority, book early in the season and stay flexible with expectations.
— Francesco Li Vigni, Arctic Adventures ice cave expert guide
The natural caves are guided only by Vatnajökull National Park rules, so most visitors book through our ice cave tours, which include the Super Jeep transfer and the in-cave equipment.
Season: October to April (natural blue caves). Peak: December to February. Closed: May to September (natural caves only, Katla and Langjökull ice tunnel are open year-round).
Atlantic puffins mate for life and return to the same partner and burrow each year. Photo: Gunnar Gaukur
Atlantic puffins arrive at Icelandic cliffs in early May, with Vestmannaeyjar often first, and some birds arrive in late April in certain years. By mid-August, most are gone. For travelers planning around puffins in Iceland, four viewing options are available.
Vestmannaeyjar, also called the Westman Islands, has one of the largest Atlantic puffin colonies in the world, with birds viewable from cliffs on Heimaey island. Getting there takes commitment from Reykjavík: about 2 hours by road to Landeyjahöfn, then a 35 to 40-minute Herjólfur ferry crossing. Látrabjarg cliff in the Westfjords is less crowded, but much farther away, at roughly 6 to 7 hours from Reykjavík. Puffins often come unusually close there because the cliff has no land predators.
Borgarfjörður eystri fjord in East Iceland is the easiest-access puffin site once you reach the region. The purpose-built Hafnarhólmi viewing platform lets visitors see puffins at arm’s length without standing near an exposed cliff edge. Finally, Akurey island RIB tours from Reykjavík harbor are the practical choice if you want a shorter puffin trip without giving up a full day.
One worth knowing: in mid-August through mid-September, young pufflings (Icelandic: pysjur) leaving their burrows at night get disoriented by town lights on Heimaey and end up grounded in Vestmannaeyjar town. Local families collect them in boxes and release them to the sea the next morning. This is the long-running Puffling Patrol, and it's been a community tradition for decades. Atlantic puffin numbers have declined since the early 2000s, with the Icelandic Institute of Natural History tracking current population estimates and conservation status.
Guide tip:
The whole tip is patience. Sit down, stay quiet, don't chase them. Puffins are curious, so if you stop moving, they come to you. People rush around trying to get the perfect angle and end up scaring the colony into the sea. Five minutes of doing nothing gets you closer than an hour of chasing. You don't need binoculars or a long lens to see puffins in Iceland. The cliffs here let you get close enough.
— Einar Freyr Bergsson, Arctic Adventures puffin tour guide
Vestmannaeyjar and Akurey are both half-day trips from Reykjavík; browse our Iceland puffin tours for boat and viewing options that fit your dates.
Season: Early May to mid-August. Peak: June and July. Closed: Late August to April (puffins are at sea).
Each of these three picks asks more of the day than a standard Golden Circle or South Coast loop. Snæfellsnes takes you west on a long drive that returns the most varied scenery within one peninsula. Landmannalaugar takes you into the Highlands, where you need a 4x4 vehicle and long summer light.
A long road trip takes you to the Westfjords, where a flexible return date matters more than a fixed plan. All three options see fewer coach tours than the southern routes, and that is the trade-off worth making: more driving, or a boat connection, in return for landscapes the South Coast and Golden Circle simply do not offer.
Red wooden posts mark Landmannalaugar's trails. Highland fog can drop visibility to meters; the markers guide you. Photo: Gunnar Gaukur
Landmannalaugar is instantly different from Iceland’s coastal routes: orange, green, and pink rhyolite mountains rise beside a black lava field, geothermal vents steam along the trails, and a natural hot pool at the campsite mixes hot and cold streams. That combination is why the Landmannalaugar Highlands end up on so many summer shortlists.
The access reality is the catch. Landmannalaugar sits in the Highlands and is reachable only by F208, or by the F26/F208 route from the north. Iceland’s road authority usually opens these F-roads in June and closes them in late September, depending on snow and road conditions. The drive from Reykjavík takes roughly 3.5 hours in fair summer weather, but it can take longer if rivers are high or the road closes midday.
The drive involves unbridged river crossings, and most rental car insurance policies explicitly exclude river-crossing damage even on F-road-approved 4x4s. That's the line that catches people. The multi-day option is the Laugavegur trail: 55 km from Landmannalaugar to Þórsmörk, three to five days hut-to-hut, with huts booked through the Iceland Touring Association (FÍ) months in advance for peak summer.
Check road-opening dates ahead of any drive with Vegagerðin's road status service. In late June and early July, Midnight Sun means hikers leave the campsite at 9 or 10 PM to climb Brennisteinsalda in soft, low light without the day crowds.
From the trail:
The hot pool at the campsite is the moment everyone remembers. After eight hours of climbs and crossing the lava field, you sit in warm water watching steam rise into the cold air. Bring flip-flops, the gravel path to the pool is sharp.
— Sigurdur Magnusson, Arctic Adventures highland trekking guide
The F-road and river-crossing reality is why many visitors skip the rental car entirely and book through our guided Landmannalaugar day tours with super-jeep or highland-bus transfer from Reykjavík.
Season: June to mid-September. Peak: July to early August. Closed: Mid-September to early June (F-road closed).
Kirkjufell means Church Mountain. The cone resembles a steeple, and the Kirkjufellsfoss angle is the perfect shot. Photo: Gunnar Gaukur
Snæfellsnes earns the nickname “Iceland in miniature” for fair reason. Within one peninsula, you get a glacier-topped volcano, basalt cliffs, black-sand beaches, fishing villages, and a lava cave. When our guides explain the Snæfellsnes Peninsula to first-time visitors, they usually frame it as a counter-clockwise loop from Reykjavík.
Start on the north shore with Stykkishólmur, a harbor town with colorful houses and views across Breiðafjörður bay. Continue toward Kirkjufell mountain, where the famous photo is taken best from the Kirkjufellsfoss waterfall angle and less well from most others. In summer, the small parking areas around Kirkjufell can be an issue due to crowds, so timing matters.
The western tip is the centerpiece. Snæfellsjökull is the glacier-topped volcano Jules Verne placed beneath Journey to the Center of the Earth. Nearby, Arnarstapi has basalt cliffs, sea arches, and a coastal walking path toward Hellnar. Djúpalónssandur black-pebble beach adds a rougher stop, with four old lifting stones once used to test the strength of fishing crews. The south side then brings you back toward Reykjavík past Búðir’s black church.
Be honest about the day length. Our guides see this surprise travelers often: the full loop is a 10-hour day from Reykjavík, and much of that time is driving. A day trip works if you accept the pace, but an overnight in Stykkishólmur or Hellnar lets you walk the cliffs and beaches without watching the clock. Winter can work too, but unpaved sections near Djúpalónssandur and the western tip may close in heavy weather, so check road.is before driving.
The 10-hour loop is why many visitors prefer a guided run; browse our Snæfellsnes Peninsula day tours for small-group options that drive the route and handle the stops in a single day.
Season: Year-round. Peak: June to August. Closed: No, but winter conditions can affect the unpaved sections near Djúpalónssandur and the western tip; verify with road.is before driving.
An arctic fox in summer coat at Hornstrandir. The white fur most travelers picture only shows from October. Photo: Gunnar Gaukur
Hornstrandir is the genuinely remote pick of this guide. In the far northwest of the Westfjords, Hornstrandir Nature Reserve covers around 580 km² (224 sq mi) of fjords, tundra, and sheer bird cliffs. Its last permanent residents left in 1952, and the area has been protected as a nature reserve since 1975. There are no roads, no electricity grid, no shops, and no permanent residents, only a handful of summer-use cabins and emergency huts maintained by Icelandic Search and Rescue. Access is almost exclusively by boat from Ísafjörður, with a few seasonal departures from Bolungarvík, running June through September.
The experience is possible at a few levels, and that is the best way to think of it. At the lighter end is the 10-hour Hesteyri day tour: an abandoned village with restored houses, walkable whaling station ruins, and a real chance of arctic fox sightings. The middle option is a long day hike for fit visitors who want trail time without committing to camping. At the deeper end are 2-to-6-day backcountry treks through the interior to Hornvík, Hælavíkurbjarg, and the Drangajökull-edge routes, all requiring full multi-day gear, route planning, and weather strategy.
Wildlife is the layer most visitors come for, especially arctic foxes. They are unusually calm around people because hunting has been prohibited in the reserve since 1975. The vegetation has also rewilded for more than seventy years since grazing ended, which is the real story behind the plant diversity. Our practical advice is simple: boat seats and limited camping areas at Hesteyri, Veiðileysufjörður, and Hlöðuvík fill up for July weekends, so book the boat before the flights, not after.
Safety note from our team:
Pack two extra days of food for Hornstrandir. The pickup boat gets canceled when the swell rises, and groups get stuck an extra night more often than you'd think. There's no shop, no phone signal, and no quick way out, so carry a satellite messenger or personal locator beacon. With no cell coverage, that beacon is often the only way to flag a problem or confirm a delayed boat.
The deeper backcountry routes require an organized expedition; browse our Hornstrandir trekking tours from Ísafjörður for multi-day options that handle the boat, food drops, and a guide. A lighter Hesteyri day tour exists for visitors who want the landscape without the gear.
Season: June to August. Peak: July. Closed: September to May (boat service ends; reserve is technically accessible by experienced winter expedition only).
Both of these picks put the visitor in a setting most travelers never see. You'll be moving across the surface of a glacier or walking the inside of a drained volcanic flow. Both run as half-day commitments rather than full-day expeditions, which is what makes them fit easily into a bigger itinerary.
Snowmobile tours on Langjökull run as guided convoys, riders following a set track at fixed spacing. Photo: Gunnar Gaukur
The point of this one is the driving, not the view from the driving. You sit on the surface of Langjökull glacier, Iceland's second-largest, and cover ground that's otherwise unreachable. Day tours typically last 8 to 10 hours door-to-door from Reykjavík.
The seasonal character shifts more than people expect: winter brings deep snow and faster runs in reduced light, while spring and summer expose bare ice and the most dramatic surface character. The combo snowmobile-and-ice-tunnel or ice cave option is available on Langjökull, which makes a natural half-day to full-day extension if you want both formats in one trip.
Don't confuse snowmobiling with glacier hiking. Snowmobiling happens on Langjökull, while glacier hiking is done on Sólheimajökull or Skaftafell. Different glaciers, different experiences, different gear. We list them separately for that reason.
Season: Year-round. Peak: April to June (long daylight). Closed: None. Langjökull tours pause on individual days when the weather closes the glacier.
Snowmobile tours are guide-only by glacier safety rules, so most visitors book through our snowmobile tours on glaciers, which include the mountain transfer, the snowsuit and helmet, and the briefing.
Inside Raufarhólshellir, the raised walkway means it's open year-round, unlike the natural ice caves, which only form in winter. Photo: Gunnar Gaukur
These are two different lava cave experiences, not two versions of the same one. Near Reykjavík, Raufarhólshellir is the accessible option, about 30 minutes south of the city via Þrengsli off Route 1. The cave’s length is about 1,360 m (4,461 ft) end to end, making it one of Iceland’s longest lava tubes, and formed during the Leitahraun eruption around 5,200 years ago. Inside, footbridges and lit sections let visitors move past lava falls and rust-red, iron-streaked walls without scrambling.
Lofthellir is the North Iceland alternative near Lake Mývatn, and the reason to make the trip is what is frozen inside. The cave contains permanent year-round ice columns and floor ice, built up over hundreds or thousands of years as groundwater seeped through porous lava and froze inside the tube. Lofthellir pairs well with whale watching from Húsavík for visitors building a North Iceland trip.
Lava tubes form when the surface of a lava flow cools and hardens while molten lava keeps moving underneath. Once the lava drains away, it leaves a hollow tunnel behind. That is why both caves feel architectural rather than carved. They also stay cold year-round, around 0 to 4°C (32 to 39°F), making them strong shoulder-season picks when surface weather is unsettled.
Our tip:
Dress warm and skip the jeans. The cave sits near freezing year-round, so wool or thermal layers under a waterproof shell are better than a thick coat, since water drips from the ceiling. Sturdy boots matter too: the ground is uneven and slippery in some places.
Walking the inside of a 5,200-year-old lava flow isn't something most travelers can plan on their own. Our lava caving tours in Iceland cover the Raufarhólshellir options near Reykjavík and the Lofthellir tour from Mývatn.
Season: Year-round (both caves). Peak: None (interior conditions don't shift seasonally). Closed: None.
We’d treat these two picks as add-ons to a bigger Iceland plan, not the reason to build the whole trip. A Reykjavík whale-watching tour works well as a half-day after a Golden Circle morning or on an arrival afternoon. Húsavík and Dalvík earn their place when North Iceland is already on your route. Reykjavík itself is the buffer day that ends many trips, and there’s enough city, harbor, food, and geothermal water to fill it well.
A full humpback breach like this is most likely from June through August, when the whales feed hardest before the southern migration.
The choice is North Iceland or Reykjavík, with the North split between Húsavík and the Akureyri area. For travelers comparing whale watching in Iceland, Húsavík on Skjálfandi Bay is the species-variety pick. Humpbacks dominate, minke whales are reliable, blue whales appear from late May through early July, and dolphins can be seen year-round. Industry-reported sighting rates run in the high 90% range during peak season.
Húsavík sits more than 6 hours from Reykjavík, so our guides would treat it as part of a North Iceland journey, not a Reykjavík day trip. Dalvík on Eyjafjörður is the Akureyri-area alternative: closer for travelers staying in or passing through Akureyri, and usually humpback-dominant. It works best when North Iceland is already part of the route, not as a standalone detour from the capital.
Reykjavík harbor is the convenient choice on Faxaflói Bay. Minke whales and dolphins are more common here than humpbacks, and sighting rates are generally lower than in North Iceland, but it is a genuine three-hour half-day with no long drive. Reykjavík is also where we’d point travelers who want a RIB-boat option: faster, wetter, and rougher than a classic whale-watching boat, so check your seasickness tolerance before choosing it. The kind of whales you may see depends on the port and season, so check before booking if one species matters most.
From the boat:
We once had a kid on board whose dream was to see a fin whale. I told him, honestly, that fin whales are very rare in the bay. Then we spotted this enormous blow. I couldn’t believe it. It was a fin whale, the second-largest cetacean on Earth. That is the thing with whale watching: you know the regulars, you know the patterns, and then the ocean still surprises you.
— Celina Benhaddad, Arctic Adventures whale watching guide
Pick where you’ll already be. Our whale watching tours in Iceland cover Reykjavík harbor for half-day visitors, Akureyri and Dalvík for travelers building a North Iceland route, and Húsavík for the species-variety boats out on Skjálfandi Bay.
Season: Reykjavík runs year-round, though winter sightings are less predictable. Akureyri, Dalvík, and Húsavík are strongest from May to September. Peak: June to August for humpbacks and minke whales; late May to early July for blue whale chances.
Often mistaken for a Viking ship, the Sun Voyager is meant as a dreamboat of the sun, an ode to undiscovered territory.
Reykjavík works best here as the easy final-day choice: useful when you need something flexible before a flight, after a road trip, or between bigger tours. For more depth, our Reykjavík city guide covers the city in full, but two stops give most visitors the right feel in a single day.
Start with Laugardalslaug, the biggest pool in Iceland and the closest most visitors get to how Reykjavík locals actually use geothermal water. The complex has multiple hot tubs, steam baths, slides, and a 50 m (164 ft) outdoor lane pool kept around 28°C (82°F) year-round. A pool visit takes about an hour, costs far less than a spa, and feels more like daily city life than a tourist stop.
Then walk from Hallgrímskirkja to the harbor. The church exterior is the photographed angle, but the tower elevator is the part many visitors skip, and it gives the cleanest city panorama in the center. From there, walk about 15 minutes down Skólavörðustígur street, past the rainbow road, design shops, and Mál og Menning bookshop, toward Harpa concert hall. Harpa’s basalt-inspired glass facade is free to walk inside before you continue to the Sun Voyager sculpture, with Mount Esja across the bay.
The walking route above is self-guided, but our Reykjavík walking folklore tour adds the huldufólk stories and ghost lore embedded in the same streets: the layer self-guided maps don't carry.
Season: Year-round. Peak: June to August (long daylight, outdoor café season, festivals). Closed: None, the city operates year-round; some attractions (rooftop bars, harbor cruises) are seasonal.
Some experiences appear in almost every Iceland list, but we’d save them for the right kind of trip. They are worth knowing about. They just need enough time, context, or the right route to make sense.
5 to 7 days is the honest minimum to cover the iconic picks without rushing. Our advice is to keep shorter trips focused on Reykjavík, the Golden Circle, and the South Coast. Longer trips make the northern detour worthwhile and start to answer what to do in Iceland beyond the standard first-visit route.
3 to 4 days
You’ll fit Reykjavík, the Golden Circle, and a South Coast day as far as Jökulsárlón Glacier Lagoon. That is the realistic ceiling for a short trip. Add Silfra snorkeling or a glacier hike if you want one active experience, but we would avoid stretching north.
5 to 7 days
Your strongest first-trip window. Add Snæfellsnes Peninsula or a Reykjavík buffer day, then choose one season-locked experience: a blue ice cave under Vatnajökull in winter, from October to April, or Landmannalaugar in summer, from late June to mid-September. Around this length, self-drive tours can work well because you start moving from base to base instead of returning to Reykjavík every night.
8 to 10 days
You’ll really explore the Ring Road at this length. Add North Iceland, including whale watching from Húsavík from May to September and Lofthellir ice cave near Mývatn year-round. If you want the route without managing every hotel, road, and activity yourself, multi-day tours follow this pacing well.
10+ days
You’ll unlock the Westfjords as a real extension. Hornstrandir is the deepest option: a 2-to-6-day backcountry trek for hikers with full gear. For a lighter version, we would look at the southern Westfjords, including Dynjandi waterfall and Patreksfjörður, as a 2-to-3-day loop from Reykjavík.
For more depth on booking windows, transport, accommodation, and sample routes, our guide to planning a trip to Iceland covers the details this section cannot.
Pick the experiences first, then the dates, then the format. Silfra, glacier hikes, blue ice caves, lava caves, and snowmobiling all require a guide, permit, operator access, or specialist safety gear, so for those picks a guided tour is not a fallback. It is the way in. Our day tours in Iceland cover most of the guide-led experiences on this list.
Our guides' single pick is glacier hiking. You can do it year-round, without prior experience, and get an activity that's hard to replicate anywhere else: walking on active, moving ice with crampons and an axe. Northern Lights chasing and Silfra snorkeling are close seconds, but both depend on conditions. Aurora needs solar activity and clear skies, and Silfra books out faster than people expect. If you're picking one experience and one only, make it the glacier.
Yes, Iceland is worth visiting, but with one honest warning. Most visitors cite three reasons for the trip: landscape variety (glacier, volcano, geothermal, coast within driving distance), safety (Iceland is among the safest countries globally), and infrastructure (good roads, English-speaking, modern). The caveat is cost. Iceland is genuinely expensive; food and lodging cost more than activities, so plan with that in mind. If the dollar matters more than the experience, shoulder season (May, September) is the cheapest window with most experiences still available.
The best time of the year to visit Iceland is June to August for hiking, the Midnight Sun, accessible roads, and whale watching. October to March for Northern Lights and ice caves. Shoulder months (May, September) are known for lower prices and fewer crowds, with most experiences still available. For weather norms before booking, the Icelandic Met Office (vedur.is) publishes historical averages by region. For deeper planning, our guide to the best time to visit Iceland covers month-by-month trends.
Whether you need a guide depends on the activity. Guide-required: Silfra snorkeling, ice cave tours, lava cave tours, glacier hikes, snowmobiling, Hornstrandir crossings. Self-drive friendly: Golden Circle, South Coast attractions, Reykjavík, Snæfellsnes loop, most waterfall stops. The rule of thumb is that anything involving ice, water entry, or off-road access needs a guide, both by law and by safety. Sightseeing the surface attractions doesn't.
You need to pack universal items: a waterproof shell, a fleece or merino mid-layer, sturdy waterproof boots, sunglasses, and a swimsuit (you'll use it more than you expect). Guided activities typically include the specialist gear (crampons, helmet, dry suit, snowmobile suit) but not the boots or underlayers. Iceland's weather changes fast, so pack for two seasons in any week of the year. The safest approach is a layering clothes system for Iceland, not a single heavy jacket.
Sept - Apr
5 hours
Reykjavík
Easy
