REVIEW · DAY TRIPS IN 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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A green valley in the middle of nowhere sounds like a movie. On this day trip, you get super Jeep off-roading plus waterfalls and a glacier ice-edge stop, all in one packed 10-hour loop. It is built for people who want Iceland scenery that feels real, not staged.

What I like most is the mix of easy-to-enjoy walking and real backcountry travel. You get short hikes in places like Thórsmörk and Nauthúsagil, without needing specialized gear. I also like that your guide keeps the day moving with clear explanations, and the vehicle is meant to handle river crossings and bumpy terrain.

One drawback to keep in mind is that rough conditions can change how the glacier stop feels in practice. The plan includes reaching the icefall edge at Gígjökull, but access can be limited depending on safety and weather, so be mentally flexible.

Key Things to Know Before You Go

  • Small-group size (max 15) helps the day feel calm, even though you are traveling far.
  • Super Jeep off-roading means you are not stuck waiting for weather-perfect roads.
  • The route is built around quick, high-impact stops, not long stretches with nothing to see.
  • You get time in Thórsmörk for mossy valley walking and a real break for lunch.
  • The day includes a glacier area visit at Gígjökull, with a chance to reach the ice edge.
  • You finish with Nauthúsagil ravine and waterfall, known for rowan trees that form a leafy roof.

Why Thórsmörk Works as a Day Trip from Reykjavik

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - Why Thórsmörk Works as a Day Trip from Reykjavik
Thórsmörk is one of those Iceland places that feels like it belongs in a different country. You are surrounded by glaciers, but the valley itself is a green pocket, the kind of contrast that makes the photos look too good to be true.

This tour is interesting because it does not treat Thórsmörk like a single destination you rush through. You get a chain of stops that build the day’s story: waterfalls, volcanic glacier history, a canyon walk, then the valley itself, and finally another ravine-waterfall scene. Even with a full schedule, it tends to feel like a journey.

The other reason it works is the transport. A regular car can get you partway. But this day trip uses a sturdy 4WD vehicle that is made for the kind of road conditions that make people turn around.

Super Jeep Driving: River Crossings and Real Road Conditions

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - Super Jeep Driving: River Crossings and Real Road Conditions
The core experience is that modified 4WD ride. This is not a gentle shuttle. You will cross rivers and travel over dirt, uneven ground, and bumpy stretches that a standard vehicle would not like.

For most people, the best part is how the drive adds to the scenery instead of feeling like a chore. You pass the kind of volcanic and glacial terrain that looks dramatic from inside a good vehicle window, and you are positioned to reach places that stay off most standard routes.

A practical thought: if you are prone to motion sickness, Iceland’s back roads can be rough. Plan ahead with what works for you. Also, wear layers you can adjust, because the temperature can shift quickly during long drives.

The day often feels semi-private too. The small-group setup and the limited number of passengers means you can actually hear your guide without competing with a busload.

Stop 1: Seljalandsfoss and the 30-Minute Photo Classic

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - Stop 1: Seljalandsfoss and the 30-Minute Photo Classic
Seljalandsfoss is famous for a reason. It is a tall waterfall, about 60 meters, and it is one of Iceland’s most photographed natural sights.

The timing is tight but fair. You get around 30 minutes, which is enough to see the falls from the main vantage points and, if conditions allow and you are comfortable, get close enough to feel the mist.

One thing to remember for this stop is weather control. Waterfalls are one of those places where you can get hit with spray even when the air feels mild. Bring a waterproof layer or at least something that can take a bit of wet, and keep your phone protected in your bag.

Even if you have seen pictures before, seeing the scale in person is the point. Seljalandsfoss is a good opener because it sets your expectations: water, cliffs, and power, right from Reykjavik’s big-adventure start.

Glacier Clues at Gígjökull: Icefall Edge and Volcanic History

Next you head toward Thórsmörk with a stop at the Eyjafjallajökull area, specifically Gígjökull, an outlet glacier linked to the volcanic system. The description here is part science lesson, part dramatic nature show.

You spend about 1 hour, and the plan is that you can walk right up to the icefall edge and even touch and walk on glacier ice if access is safe. There is also an explanation tied to the eruption: floodwater surged from under the glacier tongue and flowed into the Markarfljót river.

That story matters because it changes how you look at what you see. You are not just thinking, Nice glacier. You are thinking about how this ice interacts with fire underground, and what happens when pressure changes.

That said, I would not assume the glacier access will feel identical on every departure. One guide can have a route ready, and another day the conditions might be tighter for safety. The smartest approach is to show up with excitement but also patience. If the glacier edge walk is shortened, it is still a chance to see what glacier ice looks like up close and to understand why this region is so powerful.

Stakkholtsgjá Canyon Walk: Waterfall End, GoT Filming Footage

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - Stakkholtsgjá Canyon Walk: Waterfall End, GoT Filming Footage
Stakkholtsgjá is one of those stops that you feel in your legs. It is a canyon about 100 meters deep and roughly 2 kilometers long, and the route takes you through a narrow riverbed that ends in a waterfall.

The timing here is about 2 hours, which gives you room to slow down and enjoy it. This is not just a quick stretch to check a box. It is a true walk where you can look for shapes, rock walls, and the way the water has carved the canyon over time.

There is also a pop-culture angle that is fun without being cheesy. This is a filming location for the famous Wight ambush scene from Game of Thrones Season 7, Episode 6. If you watched that episode, you will likely recognize the vibe immediately, even though you are seeing it as real terrain, not a TV set.

The practical consideration: canyon walks can be slippery, and the ground can change underfoot. Wear shoes with grip, and take your time. The best reward is that you get a quiet-feeling nature moment before the bigger Thórsmörk segment.

Thórsmörk: The Green Oasis Between Glaciers

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - Thórsmörk: The Green Oasis Between Glaciers
Then comes the reason most people book. Thórsmörk is a natural reserve in the southern highlands, sitting between glaciers including Myrdalsjökull, Eyjafjallajökull, and Tindfjallajökull. It is famous for the contrast: a lush, green valley surrounded by black sand plains and thick glacier mass.

You get about 2 hours deep in the valley. That time is your chance to do something more than just look. You can walk short trails, find a spot for lunch, and let your eyes adjust to the contrast between moss, birchwood, and the darker surroundings.

One detail I really like here is the river and ground contrast. Thórsmörk sits between rivers including Krossá, Þröngá, and Markarfljót. The valley’s vegetation reads like a green oasis, while the nearby Markarfljót riverbed is described as black sand. That difference is not subtle when you are standing there.

This is also where guide quality shows. Guides like Paul, Tinna, Nikolaus, Magnus, Tony, and Hilmar were praised for bringing the area to life with stories and local knowledge. If your guide is strong, you will get a better sense of how people experience this place in different seasons and why Icelanders keep coming back.

Lunch, Short Hikes, and When to Slow Down in the Valley

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - Lunch, Short Hikes, and When to Slow Down in the Valley
Your time in Thórsmörk is long enough to switch gears. You can take a relaxed approach, or you can do more walking depending on your comfort and weather.

I recommend treating this as your recovery window. After earlier stops and driving, you want a moment where you can stop moving, breathe, and enjoy the valley. If you do short hikes, choose something manageable. The goal is to come back to the group and still have energy for the later ravine and waterfall.

Also, plan for lunch with the right mindset. Food and drinks are not included, so you should bring what you need. Even a simple sandwich and a warm drink can make the valley time feel like a proper break instead of an hour of grumbling at hunger.

One more tip: keep your camera accessible. In Thórsmörk, the lighting can change fast, and you will want to capture both wide views of glacier mass and close details like moss patterns and birch texture.

Nauthúsagil Ravine Waterfall: Rowan Trees and a Narrow Walk

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - Nauthúsagil Ravine Waterfall: Rowan Trees and a Narrow Walk
You end with Nauthúsagil. This stop is known for its ravine setting and for rowan trees growing on ridges in a way that can look like a leafy roof.

The walk is about 1 hour, which makes it a nice finale. You move through the narrow ravine and then reach the waterfall at the end, where the whole experience pays off in a water sound and a more enclosed feel than earlier stops.

This is also one of the best times to slow down and notice the small stuff. The ravine atmosphere is about texture: tree shapes, the way leaves frame the trail, rock walls, and the water’s changing shape as you get closer.

Wear the same kind of shoes you used earlier. Ravines can mean uneven footing, and you do not want to rush. The payoff is that this final stop can feel more intimate than the earlier headline waterfalls.

What’s Included, What’s Not, and How to Set Expectations

Day Trip to the Hidden Valley of Thor Thorsmork from Reykjavik - What’s Included, What’s Not, and How to Set Expectations
This tour includes hotel pickup and drop-off if you select that option, plus a driver/guide and local taxes. It also uses a mobile ticket, and the tour is offered in English.

What is not included is the big one most people forget: food and drinks. If you want a smooth day, pack your meals and water before you meet the group. A simple snack strategy helps too, because you will be on the move for most of the day.

Ticket details are a mixed bag in a useful way. Seljalandsfoss admission is included, while the other listed stops have different admission details noted as free in the plan. Regardless, it is smart to still bring a small amount of flexibility in case your guide suggests anything extra based on conditions.

Value-wise, I think the tour makes sense because you are paying for access, time, and transport built for the rough roads. You are not just buying sightseeing. You are buying a safe path into a remote valley, plus a guide who knows how to pace stops and keep the day moving.

Packing for a Rough-Road, Water-and-Ice Day

This is one of those days where your clothing choices matter more than you think. The tour recommends hiking shoes, and the general advice is warm clothing.

I would plan for wet and cold at different points:

  • A waterproof layer for waterfall spray
  • Warm mid-layer for the glacier and valley air
  • Extra socks if you tend to get cold
  • Gloves you can actually move in, for handling straps and railings

If you have a favorite daypack, use it. You want hands free for quick photo stops and for keeping your things secure while you are walking canyon paths.

Physical fitness matters a bit. The tour says moderate physical fitness is recommended. That means you do not need to be a mountaineer, but you should be comfortable with uneven ground and walking in cold conditions.

Who This Tour Suits Best

This day trip is a great fit if you want:

  • A small-group day
  • Real backcountry travel with 4WD river crossing vibes
  • Short walks at scenic stops, not just photo pull-offs
  • A full day that still includes breathing room in Thórsmörk

It is also a strong choice if you like guides. The guide names mentioned above were repeatedly praised for information and friendliness, and the best departures tend to feel like a small adventure rather than a strict checklist.

If you dislike off-roading, have trouble with uneven footing, or want long, flat walks with minimal weather impact, you might find this more intense than expected.

Should You Book This Hidden Valley Day Trip from Reykjavik?

I would book it if you are chasing the kind of Iceland day where multiple environments stack back to back: waterfall power at Seljalandsfoss, glacier ice at Gígjökull, canyon walking in Stakkholtsgjá, the green valley time in Thórsmörk, and a final ravine waterfall at Nauthúsagil.

Do it with realistic expectations. This is not a slow cruise. You trade comfort and simplicity for access and that special feeling of getting off the main road. If you bring proper shoes, warm layers, and your own food and water, you will be set up to enjoy the whole arc of the day.

If you are looking for crowds-free nature time, this kind of route is exactly the point. And if your guide is one of the strong ones, like Paul, Tinna, Nikolaus, Hilmar, Magnus, or Tony, you get more than views. You get context.

FAQ

How long is the Hidden Valley of Thórsmörk day trip from Reykjavik?

It runs for about 10 hours (approx.) and starts at 9:00 am.

What is the pickup time and where do I meet the group?

If you choose pickup, you should be ready at 08:30 at your designated pickup location. The meeting point is near public transportation.

Is this tour offered in English?

Yes, the tour is offered in English.

How big is the group?

The tour has a maximum of 15 travelers.

What should I wear or bring for the day?

The tour recommends hiking shoes and warm clothing. Food and drinks are not included, so plan to bring your own.

Will I get to touch the glacier ice at Gígjökull?

The plan includes a chance to walk to the icefall edge and touch and walk on the glacier area, if conditions allow for safe access.

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