Reviewed · DAY TRIPS FROM REYKJAVIK

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik

★ 5.0 · 55 reviews 10 hours (approx.) Operated by Activity Iceland · Bookable on Viator
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Þórsmörk is the point of this trip: a remote valley of birch trees and moss, framed by glaciers and reached by river crossings that ordinary cars cannot manage. I like that the day combines the Super Jeep ride with real time on foot, and that the stops include both famous Seljalandsfoss and quieter ravines and trails.

I also like the small-group limit of 15, which suits a route where the guide’s driving and local knowledge matter. One caveat: the day is long and the hikes require moderate fitness, while access to the glacier ice can change with conditions. Don’t book expecting that you will definitely walk on the ice.

The best parts of this Þórsmörk day

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - The best parts of this Þórsmörk day

  • River crossings by Super Jeep: The vehicle is built for rough tracks and stream beds, making the ride part of the adventure rather than just transport.
  • Stakkholtsgjá’s narrow canyon: Allow about two hours to walk into this deep ravine, where a waterfall marks the end of the route.
  • Þórsmörk’s green valley: Short walks bring you among birch, moss, and shrubs, with black river sands and glaciers nearby.
  • A varied set of stops: The day links Seljalandsfoss, Gígjökull, the canyon, Þórsmörk, and Nauthúsagil rather than relying on one viewpoint.
  • A small group: The maximum is 15 people, and some outings have had just four, making the day feel less like a convoy.
  • Guides who know the route: Guides named Paul, Tinna, Nikolaus, Hilmar, Tony, and Magnus have led trips, with strong praise for their driving, stories, and care.

What the Super Jeep makes possible

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - What the Super Jeep makes possible

Þórsmörk lies in Iceland’s southern Highlands, beyond the easy reach of regular cars. The route crosses rivers and rough terrain, so the modified 4WD vehicle is essential, not a novelty bolted onto an ordinary sightseeing day. The drive itself gives you a sense of why this valley feels remote.

That rugged access is also the tour’s main appeal. You leave the main road and head into an area where black riverbeds, glacier views, and green vegetation sit close together. The scenery changes as the vehicle moves between open ground and the sheltered valley, and you get a mix of looking out the window and getting out to walk.

The tour is listed at about 10 hours, with pickup in Reykjavík offered if you select it. Be ready at your designated pickup point at 8:30 a.m. for a 9:00 a.m. start. The schedule includes five stops, with time for walking at several of them, so pack for a full day rather than a quick photo circuit.

The group can have up to 15 people, though some departures may be smaller. A minimum of three participants is needed for the tour to run. If the minimum is not met, you can be offered another date or a full refund.

More day trips around Reykjavik:

Seljalandsfoss: a familiar waterfall with a close-up view

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - Seljalandsfoss: a familiar waterfall with a close-up view

The first stop is Seljalandsfoss, a 60-meter waterfall and one of Iceland’s most photographed sights. You have about 30 minutes here, enough for a look and photos without turning the morning into a long stop before the Highlands.

The waterfall is famous, so expect this to be the most recognizable and potentially busiest place on the route. Its value is the scale and the chance to see a major South Coast landmark before heading onto less accessible ground. The admission ticket is included.

Gígjökull: glacier country and a changeable approach

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - Gígjökull: glacier country and a changeable approach

Next, the route heads toward Gígjökull, an outlet glacier of Eyjafjallajökull. The area is linked to the volcano’s eruption and the floodwater that surged from beneath the glacier and into the Markarfljót river. You are given about an hour to see the glacier area and take in the terrain.

The planned approach describes walking toward the icefall and getting close to the glacier. But glacier edges can be unstable, and access may be restricted. One account of the tour specifically noted that the glacier was inaccessible, so treat a walk on the ice as a possibility, not a promise. The broader value is seeing the glacial setting and the effects of volcanic forces, even if you stay back from the ice.

Stakkholtsgjá: a two-hour walk into a narrow ravine

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - Stakkholtsgjá: a two-hour walk into a narrow ravine

Stakkholtsgjá is a canyon near the entrance to Þórsmörk, up to 100 meters deep and about two kilometers long. Its narrow riverbed leads toward a waterfall at the far end. The tour allows roughly two hours here, making this the most substantial walk of the day.

The canyon’s scale changes the pace. Rather than stepping out for a quick viewpoint, you follow the ravine inward and see the rock walls rise around you. The route is also known as the setting for the White Walker ambush scene in Game of Thrones Season 7, Episode 6, though the real draw is the canyon itself.

Be prepared for uneven ground and conditions that can be wet. The tour recommends hiking shoes and warm clothing, and rates the physical effort as moderate. If you are comfortable walking on rough paths, this stop offers one of the day’s most distinctive settings.

Þórsmörk: a green pocket among glaciers and river sands

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - Þórsmörk: a green pocket among glaciers and river sands

After the canyon, the Super Jeep continues deeper into Þórsmörk. This is where the vehicle earns its keep, crossing rivers and handling tracks that regular cars cannot. The valley sits between the Myrdalsjökull, Eyjafjallajökull, and Tindfjallajökull glaciers, with the rivers Krossá, Þröngá, and Markarfljót shaping its surroundings.

The contrast is striking: moss, birch trees, and low shrubs give the valley a green, sheltered feel, while nearby black sands and glaciers create a much harsher frame. You have about two hours here for lunch and short hikes. That is enough to stretch your legs and enjoy the setting, but not enough for a long trek through the reserve.

Bring your own lunch, since food and drinks are not included. The free time is a practical plus: you are not confined to the Jeep all day, and you can spend some time walking among the vegetation or simply resting between drives. If you want a full-day hiking expedition, this is not that. Think of it as a scenic introduction to the valley, with several short walks.

Nauthúsagil: a narrow ravine with a waterfall at the end

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - Nauthúsagil: a narrow ravine with a waterfall at the end

The final listed stop is Nauthúsagil, a ravine known for rowan trees growing along its ridges. Some branches stretch across the narrow space, forming a leafy roof overhead. The walk follows the ravine toward a waterfall, with about an hour set aside.

This is a fitting end to a day built around close-up encounters with Iceland’s terrain. It offers a different mood from the open glacier views and broad valley: you move through a tight, sheltered passage before reaching the waterfall. As with the canyon, expect uneven footing and dress for changing outdoor conditions.

The guide and group size shape the day

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - The guide and group size shape the day

On this route, the guide is more than a driver. They handle a demanding vehicle, choose how to approach the terrain, and help make sense of the region’s volcanoes, glaciers, rivers, and trails. Guides who have led the trip include Paul, Tinna, Nikolaus, Hilmar, Tony, and Magnus. Their names are not a booking guarantee, but the tour’s strong points include friendly guidance, local stories, and confident driving.

The maximum group size is 15, and smaller groups are possible. One outing had only four participants, which made it feel close to a private trip. You cannot count on that, but the cap is still modest compared with large coach tours, and it suits a day where getting in and out of the vehicle at several stops is part of the plan.

Some guides have also made extra stops, including a black sand beach with a shipwreck, a view of the Westman Islands, or an exterior look at the Blue Lagoon. These additions are not listed as guaranteed stops, so see them as possible extras rather than a reason to book.

What to bring, and what to expect from the day

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - What to bring, and what to expect from the day

Wear hiking shoes and warm clothing. The tour involves outdoor walks in ravines and valleys, and the weather can affect what is possible. A moderate fitness level is recommended; the main challenge is not a single long hike, but several walks combined with a long day and rough terrain.

Pack lunch and drinks, since neither is included. A mobile ticket is offered, and the tour is in English. Hotel pickup and drop-off are included if you choose that option; otherwise, follow the meeting details for your departure.

The tour needs good weather. If poor weather forces a cancellation, you can choose another date or receive a full refund. You can also cancel for a full refund up to 24 hours before the experience begins. Cancellations or changes made inside 24 hours are not accepted, so check the local start time when planning.

Is the tour worth booking?

The value here comes from access, not from ticking off the most sights. A Super Jeep takes you into Þórsmörk, where river crossings, rough tracks, and short hikes are part of the experience. You also get several distinct stops, from the famous waterfall to two ravines and a glacier setting, in one long day from Reykjavík.

Book it if you want an active outing, enjoy rugged rides, and are comfortable with a full day outdoors. It is especially useful if you want to see Þórsmörk without arranging your own 4WD transport. Consider another option if you need a predictable, easy-access day, want a long hike, or are booking mainly to walk on glacier ice. The glacier approach can change, and the route demands flexibility.

FAQ

How long is the tour?

It lasts about 10 hours. The listed start time is 9:00 a.m., and pickup passengers should be ready at their designated location at 8:30 a.m.

Where does the tour start?

It departs from Reykjavík. Hotel pickup and drop-off are offered if you select that option.

How many people can join?

The maximum group size is 15. At least three participants are required for the tour to be confirmed.

Is the tour offered in English?

Yes. The tour is offered in English.

Is food included?

No. Food and drinks are not included, so bring your own lunch and refreshments.

What should I wear?

Hiking shoes are recommended, along with warm clothing. The day includes walks on outdoor trails and through ravines.

How physically demanding is the tour?

A moderate fitness level is recommended. You will have several opportunities to walk, including about two hours at Stakkholtsgjá canyon.

Can I walk on the glacier?

The route includes a stop at Gígjökull and may allow you to approach the icefall. Glacier access can change, and the ice may be unstable or inaccessible, so walking on the glacier is not guaranteed.

What happens if the tour is canceled because of weather or low numbers?

If bad weather cancels the tour, you can be offered another date or a full refund. If the minimum number of participants is not reached, you can also be offered another tour or a full refund.

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