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A Kerlingarfjöll hiking tour from Reykjavík into one of Iceland's most colourful highland areas. You hike through the geothermal Hveradalir valley among steaming vents and rhyolite mountains, with small-group minibus transport there and back.
Kerlingarfjöll is a highland mountain range only reachable in summer, once the mountain roads open. This tour takes you there by minibus from Reykjavík, with a stop near Gullfoss on the way, then into the Ásgarður valley at the Highland Base.
From there you hike into Hveradalir, a geothermal valley with steaming vents, hot springs and rhyolite mountains in shades of red, yellow and green. The walking itself is easy and takes around two hours on a valley trail, but it is a long day overall because of the driving distance, so plan for roughly 11.5 hours door to door.
Weather in the highlands changes quickly even in summer, with temperatures that can range from near freezing to 20°C and occasional snow showers. Your guide adjusts the route and hiking time on the day depending on conditions, so the exact trail can vary.
The hike itself is easy, on a valley trail, but it is a long day overall with a lot of driving.
It changes fast. Expect anywhere from near freezing to about 20°C, and pack for rain, wind and possibly snow even in summer.
Yes, children need to be at least 10 years old.
No, it only runs from June to September, when the highland roads to Kerlingarfjöll are open.
We had an amazing time on this hiking tour. Great route and beautiful surroundings. The group was not big and the guide was great.
Henriette · February 2026My partner and I were a bit nervous about weather & logistics, but the tour delivered. The landscapes are dramatic—hot springs, steam, jagged peaks, rivers. Felt safe even when wind picked up, because guide constantly checked everyone. It gets cold, even in good weather, so layers are must. The trip back is tiring but seeing the sun set over the mountains made it unforgettable.
Lucia P.Kerlingarfjoll hiking day tour was more than I expected. We saw snow even though it was early summer, which was unexpected and cool. The trail was slippery in spots but guide had spares for people. Lunch break was nice; nice to sit, soak in view. Transport back was long but guides kept it interesting with stops and facts. Would do again.
Mark N.Did this tour with a friend. We were picked up early, long drive, but every minute was worth it. The view walking up through the geothermal fields with steam rising everywhere felt like being on another planet. The group size was good—not too big. Guide shared stories of geology & local folklore, which made it more than just a hike. Bring snacks. My phone battery died from taking too many photos
Olga T.One of the best days we spent in Iceland. Kerlingarfjoll is wild, beautiful, remote in a way that feels adventurous. The hike was challenging in places (wind, uneven ground), but our guide was knowledgeable and caring. I loved the geothermal valley especially the colors. Make sure you dress warm and bring layers. A long day but totally worth it.
JavierI did the Kerlingarfjoll hiking tour last month and wow—just wow. The landscapes are insane: rhyolite slopes, steaming vents, icy patches, all of it. Our guide was super helpful, kept the pace comfortable, and stopped often so folks could catch up or take pics. The only downside was the muddy bits (bring waterproof boots!), but honestly the messy parts made it more real. Would definitely recommend.
Sarah M.
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