


Book South Coast Iceland activities that get you out of the bus window seat and onto the ice. Full-day tours from Reykjavík and local ice cave and glacier departures in Vík and Skaftafell all come with a certified guide and safety gear included, so the only thing you bring is warm layers. Compare the formats, match one to your route, and reserve your day.

"Such a fun day! Our driver and guide were amazing, and the views were stunning. Definitely recommend this trip, something I'll remember forever!"




























Guided ice walks run the length of the coast, and the real choice is Vík for a short cave day or Skaftafell for a full hike on Falljökull.
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Blue ice caves at Jökulsárlón run November through March and shut for summer melt, so your month decides the trip.
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A dozen people instead of fifty changes the day: a guide who answers you, faster boarding, room to move at the ice.
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The eastbound order never changes: Seljalandsfoss, Skógafoss, Reynisfjara, then Vík for the ice cave.
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Vík sits under one of Iceland's wettest skies; pack waterproofs in July as much as January and mind the wind.
Read the guideThe coast splits into five decisions. These pages settle each one, from where to stand on ice to who drives the road.
Walk on the ice, not past it: which base fits your route and your legs

A glacier walk sounds harder than it is. The Katla tour from Vík counts its walk as 20 minutes on a sandy path and 10 minutes on the glacier, and calls it easy.
At Skaftafell, the Falljökull hike takes three hours and rents boots on site, so soft sneakers will not sink your day. Gear splits two ways. The tours supply helmets, crampons and harnesses; you bring stiff ankle-high boots and waterproof layers, and a poorly dressed guest can be turned away at the gear check.
6 hours · ★ 4.9 (69)Jökulsárlón: Small-Group Blue Ice Cave Tour & Glacier WalkFrom $242
4 hours · ★ 4.8 (8)Katla Ice Cave Extended Guided Tour with Super JeepFrom $291
5.5 hours · ★ 4.7 (225)From Jökulsárlón: Ice Cave and Glacier Exploration TourFrom $275
3 hours · ★ 4.7 (1,521)From Vik: Katla Ice Cave & Super Jeep TourFrom $267 The deep blue ice under Breiðamerkurjökull, open from November to March only

The ice here is old and compressed, which squeezes out the air and leaves it translucent blue. Katla's cave carries black ash bands from eruptions; this one glows clean.
The catch is the calendar: most natural Vatnajökull caves close around April and reopen in November, once summer melt has done its carving.
Pick a midday departure, roughly 10:45 am to 1 pm, so the cave is lit even in December when the sun rises near 11 and sets around 3. Stay within an hour of Jökulsárlón the night before, because the drive from Reykjavík runs about five hours each way.
6 hours · ★ 4.9 (69)Jökulsárlón: Small-Group Blue Ice Cave Tour & Glacier WalkFrom $242
5.5 hours · ★ 4.7 (225)From Jökulsárlón: Ice Cave and Glacier Exploration TourFrom $275
3 hours · ★ 4.6 (1,131)Jökulsárlón: The Original Ice Cave Tour on VatnajökullFrom $169
3 hours · ★ 4.5 (606)From Jökulsárlón: Crystal Blue Ice Cave Super Jeep TourFrom $168 Check the vehicle, not the label: real small vans carry 8 to 12

Not every tour called small group is one. Travelers report counts of 8 to 12 in small vans, while some minibus tours run 18 to 20.
On a standard coach the guide narrates over a microphone to everyone at once; in a party under 16 you can ask about Katla's ash bands or Reynisfjara's sneaker waves and get a straight answer.
The Reykjavík pickup covers the 187 km to Vík, and the day runs 10 to 12 hours with about 30 minutes inside the cave. Cancel up to 24 hours ahead for a full refund, so a weather call never costs you the booking.
10 hours · ★ 4.7 (779)Reykjavik: South Coast and Katla Ice Cave Small Group TourFrom $267
3 hours · ★ 4.6 (1,715)Skaftafell: Falljokull Glacier Easy Group HikeFrom $103
3 - 12 hours · ★ 4.6 (2,597)From Vik: Katla Ice Cave and Super Jeep TourFrom $197
3 hours · ★ 4.5 (606)From Jökulsárlón: Crystal Blue Ice Cave Super Jeep TourFrom $168 187 km, five hours of driving, four stops in one fixed order

Reykjavík to Seljalandsfoss is 128 km, then 30 km on to Skógafoss, and Reynisfjara sits 10 km short of Vík. With a morning ice cave meeting in Vík, drive straight there first and save the waterfalls for the return west.
A round trip with every stop means about five hours behind the wheel and 10 to 12 hours door to door. December daylight runs about 4.5 hours and cuts the stop list hard, while April to September fits the full route.
Book the Katla cave tour in advance either way, since no rental car reaches the trailhead; only a guided super jeep does.
11 hours · ★ 5.0 (2)From Reykjavik: Private South Coast and Katla Ice CaveFrom $2,401 /group
12 hours · ★ 4.9 (215)From Reykjavik: Katla Ice Cave and South Coast Day TourFrom $284
3 days · ★ 4.8 (106)Iceland 3-Day Tour Golden Circle, Glacier Lagoon, & Ice CaveFrom $940
12 hours · ★ 4.7 (1,354)Reykjavik: Katla Ice Cave & South Coast TourFrom $278 Rain one day in two, February the windiest, Katla open all year

Temperatures on the coast run from about 1°C in midwinter to 12°C in July, and rain falls on roughly one day in two year-round, so the waterproof shell goes on the list in every month.
February is the windiest month, and the stretch between Skógar and Vík is especially exposed; gusts there can push cars around and close Route 1 outright during storms.
From October to April the road can carry snow, ice and blizzards, which is where a guided super jeep tour earns its keep: an experienced driver takes the weather decisions, and a cancelled tour comes back as a refund or a new date. Katla's cave runs year-round regardless.
katla cave changes shape week to week
An ice cave on the South Coast is half a driving day and twenty minutes of magic. Here is how the numbers stack up, which cave to pick, and how to build the rest of the coast around it.
You spend 20 to 45 minutes inside the cave; the rest of the tour is the Super Jeep ride, and travelers say the cave still steals the day.
Katla near Vík runs year-round with black ash bands through blue ice; the Crystal Cave near Jökulsárlón glows sapphire but closes from May to September.
No rental car reaches either cave: the last stretch is a guided Super Jeep ride, and a licensed glacier guide is required by law.
A Reykjavík pickup tour runs 10 to 12 hours; self-driving to Vík and joining a 3-hour local tour puts more of your day in your own hands.
Book stiff-soled hiking boots and waterproof layers, or you can be turned away at the gear check.
Check the minimum age and mobility notes on each tour card before you book, and pick a family-friendly or easier option if your group includes young children, older relatives, or anyone with knee or back trouble.
Katla Ice Cave sits on Kötlujökull, an outlet glacier of Mýrdalsjökull, about 20 kilometers from Vík. The paved road ends long before the ice.
Between Route 1 and the glacier lie black volcanic sands, old lava fields and shallow streams, and the rough glacial tracks need a specialized Super Jeep that only tour operators run. Standard rental cars and soft-roader 4x4s cannot manage it, and private vehicles get no farther than the paved route.
The guide is not optional either. Natural ice caves sit inside active glacial terrain, where meltwater carves channels and snow can hide crevasses, and Icelandic law requires a licensed professional glacier guide plus certified safety gear for entry.
Every Katla tour from Vík includes both, along with equipment such as crampons and helmets. The same holds at Vatnajökull: ice-cave visits there are guided and permitted, and the national park checks access.
So the answer is simple. You book a tour, meet it in Vík or get picked up in Reykjavík, and the guide handles the ice. Your decisions come down to which cave, which season and how much of the coast you want alongside it.

Ice cave tours are graded easy, but they carry real limits, and they differ by tour. The Katla small-group tour from Vík does not take children under 8, wheelchair users or people with heart problems, and it notes that the rugged terrain may not suit anyone with limited mobility.
Another Katla outing describes the walk as easy: about 20 minutes on a sandy path and 10 minutes on the glacier.
At Jökulsárlón the ages climb. The Crystal Ice Cave Super Jeep Tour excludes children 5 and under, the Original Ice Cave Tour sets the line at 10, the Ice Cave and Glacier Exploration Tour at 13, and the Blue Ice Cave Tour and Glacier Walk at 14.
On the crystal blue tour, one operator allows pregnant travelers up to six months at their own discretion and turns them away from seven months on, because the Super Jeep ride can be bumpy.
Another tour is not recommended for pregnant women for the same reason.
If knee or joint trouble limits your walking, take the age and mobility notes at face value when you book, and pick a tour whose walking description matches what you can do.
The walk to Katla covers 1 to 2 kilometers over uneven ground, and it takes more stamina in crampons than the word easy suggests.


Katla is the year-round cave. Visitors reach it in every season, and it stays accessible in late summer when many Vatnajökull caves near Jökulsárlón are not stable or open.
That makes it the reliable choice if your trip falls between May and September, when rising temperatures and heavy rain thin, flood or weaken most natural caves and park authorities close them.
The Crystal Ice Cave at Breiðamerkurjökull is a winter formation. Tours run from about October to April, and excursions shut down by April 1 and stay closed through the melt season.
In the warm months meltwater carves channels inside the caves and fills them, and the cold of fall and winter then strengthens the ice again.
Whatever cave you choose, guides check conditions every day. Warm spells with wind and rain can flood a passage quickly, and heavy rain or a weather warning can make access too dangerous.
Tours get altered or called off when the ice says no, and a cancellation for safety comes with a refund or a new date, so a winter booking carries less risk than it sounds.
This widget lines the seasons up side by side, so you can see at a glance which trip fits your month.
Read it against your travel dates and the choice mostly makes itself: a summer trip means Katla and shore-based lagoon visits, a winter trip opens the Crystal Cave and the boats sit empty. Pick the season first, then the cave.


Here are the honest numbers. On a Katla tour from Vík, the Super Jeep ride takes about an hour to an hour and a half in total, and visitors spend roughly 20 to 30 minutes inside the cave, sometimes closer to an hour.
The walk from the parking spot is short, about 1 to 2 kilometers over uneven ground with minor elevation.
Jökulsárlón cave tours run 2.5 to 3 hours overall, with about 30 to 45 minutes inside the cavern. On the full-day trips from Reykjavík the cave shrinks further against the clock: a 10-to-12-hour day includes that same half-hour cave visit, with the rest spent on the road and at the waterfalls.
A glacier hike flips the ratio. Dedicated South Coast glacier hikes give you 2 to 2.5 hours roped on the ice, after a 15 to 25 minute walk across the moraine from the parking lot.
The tour descriptions count different things, so the numbers can look contradictory: one Katla day tour quotes about an hour on the ice for its whole glacier portion, while another Katla outing describes the walk as easy, about 20 minutes on a sandy path plus 10 minutes on the glacier.
The first figure covers the full glacier visit, the second counts only the approach, so read what each tour's own number includes before you compare them. Travelers who care about the cave keep coming back to the same point: the short visit is the memory that lasts.
People arriving at this decision usually want to know how fit they need to be, so here is what the guides and regulars actually say.
People assume glacier and ice cave trips demand mountaineering experience; the entry-level walks are graded easy, and 20 minutes on a sandy path plus 10 on the ice covers the Katla visit.
What actually stops people are age limits, mobility limits and heart conditions, so check those before you book.
The takeaway from the myths is simple: a beginner can do this, as long as the age and mobility boxes are ticked.


The two headline caves look nothing alike, and the difference is volcanic. Katla sits under Mýrdalsjökull beside the Katla volcano, and its ice carries black ash bands from eruptions mixed with pockets of translucent blue.
The Crystal Ice Cave at Breiðamerkurjökull has no ash story: snow compressed over centuries loses its oxygen and the ice glows in clean shades of sapphire.
The logistics differ too. Vík sits about 187 kilometers, or two and a half hours, from Reykjavík, while Jökulsárlón lies more than five hours east, far enough that the crystal cave needs an overnight stop.
Katla is the smaller cave, with lower ceilings and narrower tunnels; Vatnajökull caves tend to be larger, and the crystal cave can draw heavy crowds with brief visits at peak times.
Both are short, easy approaches: a walk over uneven ground at Katla, a short easy walk to the entrance at the Crystal Cave. One thing no photo prepares you for is change.
Ice caves reshape every season as meltwater carves and the glacier moves, and the cave you step into may look little like the pictures from last winter. Katla's structure can shift from an enclosed spring tunnel to an open autumn dome after a summer of melting.
If you want the two side by side before you commit, the widget below puts the main options in one table.
| Physical demand | Season window | Time on ice or in cave | Departure base | Sights combined | |
|---|---|---|---|---|---|
| Katla Ice Cave | easy walk; 8+ age, no wheelchair | year-round, weather permitting | 20-30 min inside cave | Vík meet; 11-12 hr from Reykjavík | Seljalandsfoss, Skógafoss, Reynisfjara |
| Sólheimajökull Hike | crampons, 1-2 hrs on ice | runs on guided day tours | not known | 2 hr 15 min drive from Reykjavík | Seljalandsfoss, Gljúfrabúi, Skógafoss, Reynisfjara |
| Crystal Ice Cave | easy, moderate, short icy walk | October to April only | 30-45 min inside cave | not known | Diamond Beach, lagoon, Northern Lights |
| South Coast Day Tour | no heart problems, wheelchair, under 8 | timed to winter daylight, year-round | about 30 min in cave | Reykjavík pickup and drop-off | waterfalls, black beach, ice cave |
| Lagoon Boat Tour | all ages; Zodiac 10+ or 130 cm | May to October, amphibian to mid-November | not known | not known | not known |
| Snowmobile Tour | not known | year-round; winter snow firmer | not known | Super Jeep to start point | not known |
Use the table to match the trip to your base and your season: Vík and Reykjavík travelers get Katla whenever they come, the sapphire cavern asks for a winter overnight, and the glacier hike buys the most time on the ice.


Two ways to do Katla, and the choice is about how you want to spend your hours. The Reykjavík pickups run 10 to 12 hours door to door, including the drive out Route 1, the waterfalls, the Super Jeep and the cave.
You sleep or watch the coast go by and the driver owns the weather call, which matters more in winter than most people expect.
The self-drive version trades road hours for freedom. Vík is about 187 kilometers from central Reykjavík, roughly two and a half to three hours without traffic, and a local Katla tour from there lasts about 3 hours with departure times spread through the day.
You set your own pace, stop where you like and spend the saved hours on the coast itself. The price is winter driving: gusts, black ice and the chance that a storm shortens your day.
One thing not to try is the bus. The published Route 52 trip reaches Vík at 5 pm, after the last cave departures, so public transport cannot carry you to a same-day tour.
If you want the cave without the wheel in your hands, the Reykjavík day tour is the straightforward answer; if you have a car and confidence, Vík is the better base.


The classic stops line up neatly along Route 1, and the day tours build them in. A 12-hour Reykjavík Katla trip stops at Seljalandsfoss and Skógafoss; the 10-hour small-group version adds Víkurfjara Black Sand Beach; an 11-hour itinerary lists Seljalandsfoss, Skógafoss, Reynisfjara and the cave together.
Driving it yourself, each waterfall can be a quick 30-minute stop. Leave Reykjavík around 7 am to 7:30 am, reach Seljalandsfoss before 9 am to beat the worst parking queues, then Skógafoss, then Reynisfjara before 8:30 am if you want it crowd-free, and use Vík as the practical turnaround.
Sunrise at Reynisfjara beats the tour buses if you can manage the early alarm.
The honest limit is daylight and stamina. Fitting a glacier hike, the plane wreck and every waterfall into one day is a stretch, and a South Coast trip with a glacier hike plus scenic stops works better across two days.
Stay overnight in Vík and continue toward Jökulsárlón and Diamond Beach the next morning, and the coast opens up instead of rushing past the car windows.


The drive runs 187 kilometers east down Route 1, about two and a half hours in clear conditions, and two stretches deserve respect. Hellisheiði, the pass between Reykjavík and Selfoss, ices over frequently.
The exposed ground beneath Eyjafjallajökull regularly takes gusts above 25 m/s, and the area under Eyjafjöll and around Vík is known for sudden, violent gusts that shove a car across its lane.
Know where you are meeting the tour. One Katla operator meets in the bus parking lot behind the Icewear Magasin building at Austurvegur 20, on the sea-facing side; another meets in the lobby of the Vík Inn.
Either way, arrive 20 minutes before departure to park and check in. If a different operator name shows on your vehicle than the one you booked, tours are sometimes subcontracted, so ask questions when you check in.
Before you set out, check umferdin.is for road conditions and webcams, the Icelandic Met Office for the forecast, and SafeTravel for alerts.
Never book a South Coast tour for the morning after a red-eye flight: driving these roads while sleep-deprived risks a crash, and a slide off the road can end in a costly tow. The widget below sums up how each way of getting there weighs up.
If the bus row settled anything, it is this: with a car you gain the coast between stops, without one the guided day tour is the only way to the cave on a schedule.


From Vík the day runs on a simple rhythm, and knowing it helps you pack and pace. Here is how the three hours unfold.
Two things visitors mention most. The off-road ride is part of the scenery, and the approach walk asks for more stamina than the word easy suggests, because it is short but uneven and you do it in crampons.
Dress for the drip: the cave roof lets meltwater through, so a waterproof shell and spare dry socks earn their place in your bag.


The packing list is short and the rules are strict. Tours supply the safety gear: crampons, helmets, and headlamps on the Jökulsárlón crystal cave trips, plus a certified glacier guide on every cave.
What you bring is footwear and clothing, and the gear check is where trips end before they start. One Katla operator requires hiking boots and rents them at the cave; the Jökulsárlón glacier exploration tour requires stiff boots that cover the ankles and turns away soft shoes and sneakers.
Under the boots, dress in warm layers with a waterproof, wind-resistant jacket and trousers. Meltwater drips from cave roofs, puddles form on the approach, and gloves and a warm hat go on before the walk.
From October to April, average lows run about -3 to 1°C, so pack a warm mid-layer; from May to September it is milder, and the waterproof shell stays on the list. The checklist below gathers the whole list in one place.
Sort the boots first, because that is the one item that can stop you at check-in. Then there is the weather. Katla tours are called off when extreme winds above 20 m/s hit, when heavy rain or flooding makes the tracks unsafe, when roads close, or when seismic activity raises the risk of sub-glacial flooding.
If the operator cancels for weather or road closures, you get a full refund or a free reschedule, so a stormy forecast costs you a date while your money stays safe.


Drive east from Vík and the coast gives you a second day's worth.
Jökulsárlón Glacier Lagoon sits about three hours away, and travelers suggest walking its shore after an ice cave tour, watching icebergs pass under the bridge over the Jökulsá River, then crossing to Diamond Beach where bergs lie on black sand.
On a clear winter night with a good aurora forecast, people come back to the lagoon after dark. If you are timing that visit, the widget below shows when the boats run and how busy each month gets.
February: 5 out of 5 for how busy it gets. Boat tours do not run in February due to winter ice, while glacier ice cave tours experience peak winter crowds.
Tap a month to read it.
January: snow on 20.8 days. Boat tours do not run in January amid freezing temperatures and winter ice, though glacier ice cave tours draw steady visitors.
Tap a month to read it.
The busy scores and the snowy days tell the same story: spring and late fall bring both crowds and snow, summer is quiet on the chart and easy on the driver. Whatever the month, the ice and the shore carry a winter visit, since the boats are out of season.
Closer to Vík, Gígjagjá, known as the Yoda Cave, is a striking natural opening about 15 kilometers east of town that most travel sites miss. On the drive east, the hike to Svartifoss waterfall in Skaftafell makes a solid stop, with basalt columns above the falls.
For food, Systrakaffi in Kirkjubæjarklaustur is an unassuming roadside restaurant serving exceptional arctic char and lamb sirloin, and in Vík itself a coffee at Skool Beans or a local soup makes a good comfort break.


If your days are short, the South Coast can carry a whole itinerary on its own, and people who have made the trade rarely regret it.
Two travelers describe the South Coast as less developed and less crowded than the Golden Circle, with more open space at the major landmarks, and both say skipping the Golden Circle for the coast leaves nothing missing.
The two routes suit different tastes. The Golden Circle is a compact inland loop near Reykjavík built around Þingvellir, Geysir and Gullfoss, and it leans toward geology and history.
The South Coast is a longer drive east along Route 1 built around a dramatic shoreline: Seljalandsfoss, Skógafoss, Reynisfjara, a glacier you can walk on and a cave you can stand inside.
What the coast does need is a full day and an early start to explore without rushing, and the best stops, like the lagoon, reward a second day. So treat the Golden Circle as a choice, not an obligation.
If glaciers, waterfalls and black sand are why you came to Iceland, give your days to the coast and the Ring Road east, and the loop can wait for another trip.


An ice cave day on the South Coast delivers far more than the minutes inside the cavern, and travelers keep saying so.
Pick Katla near Vík for year-round access and ash-striped blue ice, or the winter Crystal Cave for sapphire glow and a bigger cavern. Pair it with Seljalandsfoss and Skógafoss, drive carefully in winter, and give the southeast coast an overnight.
katla cave runs all year, most vatnajokull caves don't

Ice caves explained cave by cave, so you can pick between Katla, Vatnajökull and the seasonal options.

What a certified guide provides, from helmets and crampons to the daily checks before anyone steps on the ice.

Private departures if you want the glacier and the cave to yourselves, with pickup arranged for your group.

Small-group formats of 8 to 12 travelers, where the guide has time to answer your questions at each stop.

Tours that pair a glacier walk with a cave visit, for the day you want to earn the ice on foot.

How a helicopter flight works alongside cave visits, and what happens if weather grounds the flight.

Katla Ice Cave in detail: conditions, seasons and what the blue-and-black ice looks like right now.

The drive to Katla, why a rental car stops short of the glacier, and where the Super Jeep takes over.

When Katla runs and which months give the clearest ice, from midwinter to the summer slots.

Age limits, terrain and mobility notes for Katla, so you know before booking whether kids can come.

A packing list for the cave: waterproof layers, ankle-support boots and what operators fit you with.

Katla and Vatnajökull's blue cave side by side, with drive times, ice color and crowd levels compared.

A three-day South Coast plan that spreads the waterfalls, beaches and glaciers over more than one day.
katla cave stays around 0°c year-round
The questions travelers ask before booking their day on the southern route, answered straight.
Vik2026A guided day trip or longer excursion along Route 1 east of Reykjavík, built around waterfalls, a black sand beach, glaciers and coastal villages. Options run from 10 to 12-hour day tours with ice cave visits to three-day trips that also take in the Golden Circle.
No. Reaching the trailheads takes a specialized Super Jeep, because standard rental SUVs cannot manage the rough glacial mountain roads. Every Katla tour from Vík includes the Jeep ride, a certified glacier guide and the safety gear.
Plan on about 30 minutes inside the cave on a 3-hour tour from Vík. The ticket also covers the guide, the Super Jeep ride, safety gear and access to a natural formation, and travelers say even a short cave walk becomes a memorable highlight.
Katla, near Vík, is one of the few natural ice caves open year-round, including in summer. Most natural caves on Vatnajökull close from spring through autumn because melting makes them unsafe. In summer, guides check conditions daily and may change or cancel a visit.
Vík is the comfortable turnaround point, about 2.5 hours of driving each way. Jökulsárlón Glacier Lagoon sits more than 5 hours one way, which means over 10 hours on the road alone, so plan an overnight near Kirkjubæjarklaustur or farther east.
Tours supply the technical gear, such as crampons, helmets and headlamps. You bring sturdy waterproof hiking boots with ankle support, warm layers and a waterproof jacket and trousers. Pack spare dry socks, because meltwater can drip from the cave roof.
Many are, with age limits that vary by tour. Some Katla tours take children from 6, others set the minimum at 8 or older. At Reynisfjara and Diamond Beach, keep children close, because the sea can be dangerous.
They suit different interests. The Golden Circle is a compact inland loop of geology and history near Reykjavík. The South Coast is a longer drive east along Route 1, with dramatic shoreline, waterfalls, a glacier and a black sand beach, and travelers describe it as less developed and less crowded.
Operators cancel when roads close, caves flood or conditions turn unsafe, and you can reschedule or receive a full refund. If authorities close Route 1 and you cannot reach the meeting point, the booking counts as a safety cancellation with the same choices.
By law, 4WD is only mandatory on the Highland F-roads. Route 1 itself can close during storms, so check road and weather conditions before setting out and leave extra time to reach a meeting point.
Meeting points sit in the town center, in a hotel lobby or a bus parking lot near the sea-facing side of town. One operator asks guests to check in at the Vík Inn 20 minutes before departure, so arrive with time to park.
Start early and pair Seljalandsfoss, Skógafoss, a glacier area and Reynisfjara in one day, with Vík as the turnaround. Allow 2.5 to 3 hours for a guided glacier hike, and stay overnight in Vík if you want to continue toward Jökulsárlón on a second day.

about 30 minutes inside the cave itself
This 12-hour tour picks you up in Reykjavík, stops at Seljalandsfoss and Skógafoss, and ends inside the Katla Ice Cave, with free cancellation up to 24 hours ahead.