Water activity

Reykjavik Combo Snorkel in Silfra Fissure & Lava Caving

Activity provider: Arctic Adventures

Reykjavik Combo Snorkel in Silfra Fissure & Lava Caving

Activity provider: Arctic Adventures
Likely to sell out
Likely to sell out

From US$ 208.75 per person

Explore a hidden underground world in the wilderness of Reykjavik, and witness first hand the magical rock formations left behind by volcanic eruptions. Probe the dark lava tunnels and then snorkel in the unique fissures of Silfra.

About this activity

Free cancellation
Cancel up to 24 hours in advance to receive a full refund
Covid-19 precautions
Special health and safety measures apply. Learn more
Reserve now & pay later
Keep your travel plans flexible—book your spot and pay nothing today. Learn more
Duration 9 hours
Check availability to see starting times.
Live tour guide
Pickup included
Pick up is offered from selected Reykjavik pick up points.


  • Explore the mysterious underworld below one of Iceland‘s many lava fields
  • Snorkel in the crystal clear waters of the Silfra fissure
  • Discover an underground world created by past volcanic activity
  • Float in an otherworldly landscape of various shades of blue
Full description

This full-day combined snorkeling and lava caving adventure tour starts with pickup from Reykjavik. As the conditions in Iceland vary greatly between seasons, visit one of two different lava caves. As you explore the hidden world beneath one of Iceland‘s lava fields, enjoy the opportunity to discover firsthand the marvels created by past volcanic activity.

Accompanied by a certified guide, experience the wonders of the lava tube cave and hear all there is to know about the formation of the cave. Snorkeling in Silfra is your second adventure of this combo tour, although this can vary. Silfra fissure is one of Iceland’s best-kept secrets, an otherworldly scene that is famous for its heavenly shades of blue.

Located in the heart of the historic site of Thingvellir National Park, the crystal-clear water gives you a feeling of being weightless as you float along with the lazy current. During your snorkeling adventure between the tectonic plates, benefit from the accompaniment of a certified snorkeling guide. All necessary gear is provided for this tour.

Please note that you can rent a waterproof digital camera or purchase a waterproof disposable camera directly from the operator to snap unique photos during your black and blue adventure in Iceland that you can then share with your loved ones back home. 

  • Small-group experience
  • Pick-up from Reykjavík
  • Caving and caving gear
  • Snorkeling and snorkeling gear
  • Certified PADI dive guide / Dive-master & an expert caving guide
  • Silfra admission fee
  • Free Wi-Fi On Board
  • Lunch
Not suitable for
  • Pregnant women
  • Non-swimmers
Covid-19 precautions
Safety measures in place
  • All areas that customers touch are frequently cleaned
Traveler requirements
  • You are required to bring and wear a mask

Select participants and date



Important information

What to bring

  • Warm clothing

Know before you go

  • Please bring warm outdoor clothing, waterproof jacket and pants, head-wear, gloves, warm under clothing (fleece or wool sweater and pants), warm socks, a small towel and a change of clothing
  • Good hiking shoes are recommended
  • Hiking shoes and waterproofs can be rented from the operator if notified in advance
  • If you have a bad eyesight, please wear contact lenses or bring your own prescription goggles, as glasses cannot be worn under goggles
  • Due to guide to customer ratio limitations and Thingvellir National Park regulations this tour sells out frequently so book well in advance
  • Unfortunately meeting on location is not an option
  • Participants must be comfortable in the water and able to swim
  • You are unable to participate if you are pregnant, due to the small risk of cold water entering the suit
  • The itinerary can vary in order depending on weather conditions and other related factors
  • Please read the snorkeling handbook before your tour (link to handbook on the voucher)
Customer reviews

Overall rating

4.8 /5

based on 126 reviews

Review summary

  • Guide
  • Transportation
  • Value for money
  • Safety

Sort by:

Traveler type:

Star rating:

This does involve going back to Reykjavik to pick up new people for the second adventure. However, Peter, our tour guide was nice enough to drop us off at a bakery for lunch. The experiences were top notch and worth all the driving. It was a small group and simply a once in a life time experience. I’d definitely do it again….in winter next time!

Read more

September 4, 2021

Wear long sleeves and leggings and slip on water shoes covering legs and feet because you have to change outside.They will stay dry in the exposure and wet suits they give you.Also insist on under water photos - not just above water.Bring your own Mask and snorkel if possible. Otherwise it’s an exhilarating experience.

August 26, 2021

Amazing! They provided everything. The water was crystal clear and beautiful. But I have to say the best part we’re my guides. They were extremely friendly and knowledgeable. Definitely bring a tshirt and leggings for the water and warm clothes to change into after. The lava cave was very fun but the silfra is a MUST

August 10, 2021

Product ID: 25953