How difficult is the Reykjadalur hike?

The hike is moderate in difficulty. Expect a steady uphill section to reach the valley, with good rest opportunities at the top before a downhill return. Reasonable fitness and sturdy hiking boots are necessary.

Is the river water actually warm for bathing?

Yes. Reykjadalur's river is naturally heated by geothermal hot springs that feed into it, creating bathable temperatures. The exact warmth varies depending on where you enter the water and seasonal flow rates.

What should I bring for the river bathing?

Pack a swimsuit, towel, and a change of clothes. There are no facilities at the trailhead, so plan to change in the open or bring a changing robe. A waterproof bag for electronics is highly recommended due to steam and splashing.

How far is Reykjadalur from Reykjavík?

The valley is located near Hveragerði, approximately 45 minutes to 1 hour's drive from central Reykjavík. The private tour includes transportation from your location in the city.

Can I refill my water bottle during the hike?

Yes, you can fill your bottle from the cooler sections of the river away from the geothermal activity. Bring a bottle to refill rather than carrying large quantities, as the hike involves elevation gain.

What makes Reykjadalur special compared to other Icelandic geothermal sites?

Reykjadalur is one of Iceland's few places where you can hike into an active geothermal valley and bathe in a naturally heated river in a remote, scenic setting—combining geology, hiking, and thermal relaxation in one experience.

Reykjadalur Hike, from Reykjavík - Private Tour 1

Reykjadalur Hike, from Reykjavík - Private Tour 2

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Reykjadalur Hike, from Reykjavík - Private Tour

Top Deal

1 / 7

Reykjadalur Hike, from Reykjavík - Private Tour

(5)

Reykjavík, Iceland

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About this activity

Escape Reykjavík for a private guided hike into Reykjadalur (Steam Valley), a geothermally unique canyon where hot springs feed into a river, creating a naturally heated bathing experience. This moderate 5-hour adventure combines scenic hiking with the rare opportunity to soak in warm, mineral-rich waters surrounded by Icelandic wilderness.

Drive from Reykjavík to Hveragerði, where Reykjadalur (Steam Valley) is situated. The valley is situated in a geothermally active area, and hot water mixes with the river running through the valley, making the river perfect temperature for bathing. Remember good shoes, swimsuit and towel, snack, water bottle to fill in the river and your camera!
A moderate hike, with a good rest at the top, until we hike downhill.

Highlights

✓Hike into a geothermally active valley with steaming hot springs
✓Bathe in naturally heated river waters at perfect temperature
✓Private tour experience with personalized pacing
✓Moderate difficulty trail suitable for reasonably fit hikers
✓Dramatic Icelandic landscape photography opportunities

Insider tips

★Bring a dry bag or waterproof case for electronics; thermal vapours and river spray are constant
★Arrive early to the river bathing area to secure a calm spot away from the main flow
★Fill your water bottle directly from the cool river sections away from geothermal activity for fresh drinking water

Good to know

•Sturdy hiking boots with good grip essential; terrain includes loose rocks and muddy patches
•Pack swimsuit, towel, and a change of clothes; no facilities at the trailhead
•Bring snacks and 1.5–2 litres of water; refill from the river as noted
•Private tour departs from Reykjavík; confirm exact pickup location and time with supplier
•Moderate fitness level required; mostly uphill on approach, downhill return

Who it's for

Adventure hikers seeking unique geothermal experiencesCouples and small groups wanting private, flexible pacingNature and photography enthusiastsTravellers interested in Iceland's geothermal geology

Best time to visit

Visit during warmer months (June–September) when daylight is abundant and trails are snow-free. Early morning departures offer the best light for photography and fewer crowds at the bathing area.

Frequently asked questions

Reviews

(5)

Vik V.

May 2026

our guide Fatima was brilliant and the ridge viewpoint at the top was the highlight, and fine even with my dodgy knee, and a 3 hour climb.

Hannah V.

Oct 2025

our guide Diego really knew their stuff and a waterfall about halfway up was the highlight, and perfect for first-timers, and a 3 hour climb.

Mark G.

Sep 2025

our guide Yusuf couldnt do enough for us and a waterfall about halfway up was the highlight. First thing in the morning so it wasnt too busy. Blew our hanoi one out of the water, and fine even with my dodgy knee, and the 1200m of ascent was no joke. Would book again no question, loved it

Luke D.

May 2025

Leila our guide was class, used it for our summer trip

Yuki J.

Mar 2025

loved it — guide Raj top notch, ideal with kids (ours are 6 and 9), and about 9km round trip

from€1,329.32/ person

4.8 · 66 reviews on Trustpilot

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