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7 hours
Meeting point


Discover the Hengill Volcano geothermal area on an easy hike, travel into the lava caves of the Icelandic underground and enjoy a bath in Reykjadalur’s steamy natural stream on this one day adventure from Reykjavík.

Explore the famous Hengill Volcano and the Icelandic underground on this day tour. The journey begins by venturing into one of the many lava caves in the Bláfjöll mountain range, just east of Reykjavík. You will find out how lava caves are formed and discover a wealth of geological formations, including stalagmites and stalactites.

After enjoying the hidden beauties of the underground, we head to the Hengill geothermal area. There, you take an easy hike in magnificently ethereal surroundings that feature hot springs and bubbling mud pools that await your exploration. The hike continues down through Reykjadalur, the Smokey Valley, where it is possible to enjoy a natural bath in a warm stream.

What is included

  • Experienced and qualified guide
  • Transport
  • Helmets
  • Headlamps

What do I need to bring

  • Rain gear
  • Good shoes
  • Warm clothing
  • Lunch
  • Bathing suit and towel

Good to know

  • Pick up: 30 min before departure
  • Age limit: 8 years
  • Duration: 6-7 hours - 4 hours active