From Reykjavík

Hot Springs & Lava Cave

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.

Tour code: IMG06

Hot Springs & Lava Cave

Experience Hiking, Caving & a Soothing Hot Springs Bath All in One Day

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.

See the Hot Springs and Lava Cave video

Tour Overview

  • Pickup

    30 min before departure

  • Group size

    Up to 12 per guide

  • Walkin per day


    Walkin per day

    4 hrs

  • Language


  • Difficulty



    Accessible to all people in good health.

  • Availability

    Jun - Sep

  • Duration

    7 hours

  • 8

    Minimum age:

    8 yrs

Book this tour

Customer Reviews

Tour Highlights


  • Experienced and qualified guide
  • Transport
  • Helmets
  • Headlamps

Not Included

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

Tour Map and Itinerary

Click map for detailed itinerary

Hot Springs & Lava Cave


Day Tour

Experience Hiking, Caving and a Soothing Hot Springs Bath All in One Day

This adventurous day tour starts with your driver guide picking you up in downtown Reykjavík and taking you to a lava cave in the Bláfjöll mountain range. These underground lava tunnels are stunning natural wonders.

After your guide leads you through a labyrinth of stalagmites, stalactites and other geological formations in the cave, you go back to Iceland’s surface to take a hike in the Hengill volcano area.

This easy hike is a feast for the eyes. The vibrant colors and bubbling hot springs all around you are breathtaking. When you enter Reykjadalur, you will have the opportunity to take a relaxing dip in a warm hot spring before being driven back to Reykjavík.

Click to activate the map

Practical Information

We always recommend to book as soon as you are ready especially if you have a strict travel schedule or a large group. It is easy to change or cancel 24 hours before departure by emailing us ([email protected]). Tours can also be purchased on the day of the activity as long as there are spaces available.

You can find the nearest pick up location. You are welcome to email to [email protected] to get help with finding an alternative pick up location

The pick ups starts 30 min before your tour's departure time. Please be ready at your bus stop in time.

  • Light hiking shoes with a rigid sole work well for short trail walking in Iceland.
  • Other clothing should be picked according to weather that day. We advise dressing in layers.