Your compass gets a workout in Iceland. This private day trek blends a guided orienteering lesson with a soak at the Lost Hot Spring, with serious views along the way.

I love how the hike feels like more than sightseeing, you learn to read your surroundings with compass and altimeter. I also like that the hot spring part is built into the day, so you are not scrambling to find a soak after a long climb.

The only real catch is the difficulty. You are looking at about 17 km (10.5 miles) and roughly 1,010 m (3,314 ft) of elevation gain, with rapidly changing weather possible.

Key highlights at a glance

• Private group up to 8: small, so your guide can keep pace and route decisions personal
• International Mountain Leader guidance: licensed, certified local support throughout
• Orienteering with compass and altimeter: you learn practical navigation for wild terrain
• Hengill summit effort with big payoff: a key climb toward viewpoints around 450 m elevation
• Hot spring is included: you plan your day around the swim, not afterthought planning
• 16+ only, strong fitness required: this is a challenging hike, not a casual walk

From Reykjavik to Hengill: how the day gets started

This is a full day out of Reykjavik, with about a 50 minute drive from the city center to the trail area. The meeting point is a parking lot along Nesjavallaleid, near the start of the trail, and you start at 10:00 am. Plan to arrive 15 minutes early so you can get gear sorted and meet your guide without rushing.

You are spending real time outdoors, so the drive matters. Once you are out in the Hengill area near Thingvellir National Park, you feel the shift from city pace to hike rhythm, and that is when the day becomes fun fast. Also, the tour uses a mobile ticket, which keeps check-in simple.

The walk is designed to be private, meaning your group stays together and your guide can explain the terrain as you move. If you like hiking with context, this is the style: less wandering, more learning while you walk.

The climb math: 17 km, 1,010 m gain, and why that matters

On paper, this sounds straightforward: 17 km (10.5 miles) and around 9 hours total. In practice, the challenge comes from the elevation gain, about 1,010 m (3,314 ft). That is a lot of uphill work for one day, so your legs should be ready.

The route also includes a significant push toward a summit area, with a stated climb toward viewpoints around 450 m elevation. That means you will feel the hike turn from steady effort into a more focused climb, and the payoff is the wide-open views.

If you are used to uneven trails and steep grades, you will likely enjoy it. If you only do gentle hikes, treat this as a “serious hike day” and be honest about your fitness. The good news is that the structure of a private tour usually helps, your guide can pace you through the hardest sections.

Weather is part of the difficulty too. Iceland conditions can change fast, so even if you are fit, you still need to dress for wind, cold, and rain.

Thingvellir area vibes, without a long detour inside the park

The hike starts at the foot of Thingvellir National Park, a UNESCO World Heritage Site. The day is not about trekking deep inside the park itself, but it is about enjoying the surrounding terrain and the way this region’s geology shapes everything you see.

I like this approach because it gives you the “Thingvellir connection” without turning the day into a complicated sightseeing bus tour. You still get the sense of place, and your time stays focused on walking, learning, and moving through Hengill terrain.

There is also a practical benefit to not spending all your energy inside the park. You can spend more of your stamina on the Hengill hike and the hot spring swim, which is really the core of why you booked this day.

Think of this as a day that uses the Thingvellir area as your launch point, then keeps you in motion toward the views and geothermal reward.

Orienteering in real terrain: compass and altimeter skills you use on the walk

This is not just a hike guide job, you get instruction. The tour includes an orienteering lesson led by an International Mountain Leader, with licensed and certified local guides as well. The lesson is specifically about navigating using a compass and an altimeter, which is a rare add-on for a day trek.

Why this matters for you: it changes how you experience the terrain. Instead of only “looking around,” you practice reading direction and elevation cues while you are walking. That turns the steep stretches into an exercise, and it also makes you feel more confident if you enjoy independent hiking later.

If you have no experience, that is okay based on how the tour is described. You are taught the art of orienteering during the trek, using tools you might not have used before. The key is that you should pay attention early, because confidence comes from doing, not just hearing.

It is also a nice change of pace from the usual Iceland day tour format. You still get scenery and history context, but you also learn a skill that you can carry home.

And yes, I like when guides bring enthusiasm. In a prior experience of this tour type, the strong point was the guide’s passion for Iceland, and that attitude tends to show up most when they are explaining what you are actually walking through. If your guide has that energy, the orienteering part becomes more memorable and less like homework.

Stop near Hengill: the terrain shifts as you gain altitude

The day’s hiking is organized around Hengill, starting near the trailhead and then continuing upward through changing terrain. You begin at the foot area near the meeting point, then work into a gradual but demanding climb toward the summit views.

This is one of those hikes where the scenery keeps changing because the ground and elevation change your perspective. You can expect rugged sections, open sightlines, and valleys that look different as you climb. The tour description calls out the way the local geology is shaped by natural forces, and that shows up in the rough, high-contrast terrain you move through.

A realistic consideration: the hike is labeled challenging for a reason, with steep elevation and a long total day. If you get tired, your navigation practice can feel harder, so pace yourself from the start. In private format, your guide can adjust the rhythm, but the effort level stays.

Also, since you are near Thingvellir area surroundings, it is smart to assume slippery spots and cold air pockets. Wear proper footwear and be ready for surfaces that do not behave like a gym treadmill.

Lost Hot Spring swim: what is included and how to make it work

The hot spring part is the reason many people pick this trek, and it is included. The day is described as a trek that lets you swim in Iceland’s natural hot springs, and the name Lost Hot Spring tells you the soak is meant to be a distinct highlight, not just a quick stop.

What you can count on is that you should show up ready to change modes. A long climb heats you up, then you need to cool down enough to enjoy the soak. Bring your patience for the small routine of towel, swimsuit, and getting in and out safely.

Because the tour includes the hot spring, you do not need to line up a separate geothermal stop for the day. That saves time and reduces decision fatigue, especially when weather is changing.

Just be practical: the not-included list tells you what the tour expects you to provide. If you forget the swimsuit or towel, you will not be able to do the swim part the way this experience is designed. It is a simple thing, but it makes a huge difference.

What to pack for a 9-hour Iceland hike and bath

You are outside most of the day, with weather that can change rapidly. Pack for the hike and the hot spring, and also for the shoulder moments when you are waiting or transitioning between climbing and soaking.

Here is what you should bring, based on what is not included:

• Swimsuit and towel for the hot spring swim
• Cap and gloves, since Iceland wind can bite even when the sun is out
• Spare t-shirt to help you feel human afterward
• Hiking shoes suitable for uneven, possibly slick ground
• Waterproof jacket and pants, since you should assume rain or mist is possible
• Bottled water, because water is not included
• Lunch and snacks, since meals are not included

My tip for value and comfort: plan your food like you are training. This is a challenging, long hike, so you want steady energy for the climb segments rather than only a late meal. If you only bring one snack, you will likely feel it during the tough stretch.

Also, dress in layers you can manage. The tour is physically demanding, so you want something that helps you vent on the climb, then protects you quickly if the wind picks up.

Price and value: what $902.89 per group really means

The price is $902.89 per group, up to 8 people. That structure matters more than the headline number. If you fill the full group size, you are effectively around $113 per person. If you travel with fewer people, the per person cost rises, but the tour stays private and guided.

So the real value question is this: are you getting enough from a guide-led day to justify private pricing? Here, you are paying for several things at once. You get an International Mountain Leader, certified local guiding support, a hot spring included, and an orienteering lesson with compass and altimeter instruction.

If you enjoy skills and guided context, this is where it pays off. A basic hiking tour gives you a route and maybe a few facts. This one gives you a toolset for navigation and a built-in geothermal swim, which is not trivial planning on your own.

For budget planning, remember that lunch and key gear are not included. That is normal for Iceland hikes, but it is part of the real cost of being ready.

Who should book this private Hengill hot spring trek

Book this if you want a day that blends physical effort with practical learning. You should like hiking, enjoy instruction, and be comfortable with challenging terrain. The age limit is 16+, and the tour requires strong physical fitness.

This is also a strong match if you are traveling with a group and want privacy. With up to 8 people, it can work well for families with older teens who can handle the difficulty, friends, or small travel parties.

Skip it if you want an easy walk, quick photo stops, or a long layback geothermal day. The climb numbers are real, and the day runs around 9 hours. You need to be ready for an extended effort, not just a scenic outing.

Finally, consider weather readiness. The tour requires good weather, and if it is canceled due to poor weather you will either get a different date or a full refund. In other words, it is not a guaranteed fair-weather stroll.

Should you book this trek to Hengill and the Lost Hot Spring?

If you can handle a challenging 17 km hike with roughly 1,010 m elevation gain, you should seriously consider booking. The combination of an orienteering lesson, guided navigation practice with compass and altimeter, and a hot spring swim included makes it more than a standard Reykjavik day trip.

I would book if you want something authentic and active, and you like guides who bring Iceland to life with clear, practical explanations. It is also a smart pick when you want to keep the day simple: drive out, hike with a plan, swim, and return, without juggling multiple stops.

I would think twice if your fitness is more “short hikes” than “long climbs,” or if cold and wet conditions make you miserable. This experience rewards preparation, good boots, and the mindset to work for the views.

FAQ

What time does the tour start, and where do I meet?

The tour starts at 10:00 am. Meet at the designated starting point 15 minutes before departure, at the parking lot along Nesjavallaleid near the trail start.

How long is the trek and how far will we hike?

The duration is about 9 hours. The hike length is 17 km (10.5 miles).

How difficult is it?

The tour is rated challenging, with elevation gain of 1,010 m (3,314 ft). It is best for people with strong physical fitness, and the age limit is 16+.

Is the hot spring included, and can I swim?

Yes. Hot spring time is included as part of the experience, and the tour description specifically says you will swim in Iceland’s natural hot springs.

Do I need orienteering experience before I go?

No prior experience is listed as required. You get an orienteering lesson, learning navigation using a compass and altimeter.

What should I bring since it is not included?

You should bring a swimsuit and towel, cap and gloves, a spare t-shirt, hiking shoes, waterproof jacket and pants, bottled water, lunch, and snacks.

How big is the group on a private tour?

It is a private tour, and group sizes are kept small. The price is listed per group up to 8 people.

What happens if weather is bad or I need to cancel?

The experience requires good weather, and weather can change rapidly. If it is canceled due to poor weather, you will be offered a different date or a full refund. Cancellation is free up to 24 hours in advance for a full refund.