5 star rating: Highly Recommended 32 Reviews

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  • Location:Reykjavik, Iceland
  • Duration:8 hours (approx.)

Day Trip from Reykjavik: Cave Exploring in Gjábakkahellir and Snorkeling in Silfra

Visit Þingvellir National Park for a day of spelunking and snorkeling during this eco-adventure from Reykjavik. On this full-day tour with an expert adventure guide, visit the Silfra fissure and the Gjábakkahellir cave in this UNESCO World Heritage-listed park. Explore some of Iceland's most spectacular natural wonders by snorkeling in an underground pool and climbing into a mysterious cave. All equipment, expert guidance and round-trip transportation Reykjavik hotels are included. 

Highlights

  • Day trip to the Gjábakkahellir cave and the Silfra fissure from Reykjavik
  • Visit Þingvellir National Park, a UNESCO World Heritage Site
  • Explore the dark, mysterious Gjábakkahellir cave with your expert guide
  • Snorkel in the Silfra fissure and admire the amazing, vibrant depths of underground tectonic plates
  • Hotel pickup and drop-off included

Recent Photos of This Tour

What You Can Expect

Day Trip from Reykjavik: Cave Exploring in Gjábakkahellir and Snorkeling in Silfra

Day Trip from Reykjavik: Caving in Gjabakkahellir and Snorkeling in Silfra

Following pickup at your Reykjavik hotel, climb aboard a comfortable, climate-controlled minbus for the 60-minute journey to the UNESCO World Heritage-listed Þingvellir National Park. 

Upon arrival, listen to a short safety lecture and introduction to the area. Get fitted for spelunking and snorkel gear, then follow your expert guide to your first adventure. 

Explore the lava fields under the park itself by entering Gjábakkahellir cave. View and climb through a textbook example of a lava tube, located in one of the most active volcanic areas in the world. During the 1.5-hour tour of the cave, admire shield volcanoes, products of lava flows that left spectacular layers of rock and lava deposits over the years. Please note: In the winter, you will explore Leiðarendi cave.

Break for lunch (own expense) before continuing on to visit Silfra.

At the Silfra fissure, slip on your snorkeling gear and explore the otherworldly underground pool. Drift between the tectonic plates that separate North America and Eurasia, following your guide to the most scenic places in the pool. 

After a day of exploring the spectacular underground wonders in Þingvellir National Park, head back to Reykjavik for drop-off at your hotel. 

Customer Reviews

annihilationist

5 star rating: Highly Recommended January 2016

Unforgettable experience. Possibly one of the highlight of my trip.

Marecla B

5 star rating: Highly Recommended January 2016

amazing experience, something to do in your visit!

gregoryyori

5 star rating: Highly Recommended January 2016

Our guide was great and very knowledgeable. The snorkeling in 30 degree water was an incredible and cold experience. I highly recommend this trip. Wear long underwear and two pairs of socks for the snorkeling.

Denise N

5 star rating: Highly Recommended December 2015

We had the best time! The caves were incredible, and it was great to learn the history in how they were formed. Even though we went snorkeling in the freezing water while it was snowing, the view was absolutely breathtaking. This was our favorite part of our trip. We had a fantastic tour guide who happily talked to us all about Iceland, their traditions, and things to do. I highly recommend it.

Nicole F

5 star rating: Highly Recommended November 2015

By far the most unique experience yet. Standing in the moss covered lava field and surrounded by dormant volcanoes is a site like no other. It had snowed the day before, so the contrasting white to the greens, yellows, browns and blacks just added to the spectacular vista. We were pleasantly surprised by the level of activity required to explore the lava cave. It is not an extreme activity, but it's not a walk in the park, either. Oskar was our host for the day. He is very professional and kind with a good sense of humor. He is very knowledgeable about the history and geography of the regions he escorted us through. Richard and Norris were our hosts in Silfra. These are two men who really enjoy their work. They were very proficient at sizing us up, outfitting us and getting us into our gear. They are very funny and kind and they made us feel completely at ease before getting into the water. Once in the water, we were encouraged take our time and to savor the experience for as long as we liked. Any pictures you see of snorkeling in Silfa are true to likeness. The colors and clarity of water are truly something to behold. This excursion is worth your consideration. It's a full, action-packed day spending much more time out of the vehicle than in it.

Pamela C

5 star rating: Highly Recommended October 2015

This was an excellent adventure. We enjoyed both the caving and the crystal clear water of silfra.

Jessica C

5 star rating: Highly Recommended August 2015

What a blast! We loved the authentic caving experience! It does require some climbing - but I am not in great shape and did just fine! Our guide was friendly, encouraging and knowledgable. Our small group of 10 was the perfect size. The snorkeling was awesome too! What a view! Do this tour!

cally h

5 star rating: Highly Recommended August 2015

Worth every penny! This was one of the highlights of my trip. Before I went I thought that it was kind of expensive, but after the day was over I realized it really wasn't. The water is unbelievablely clear and even though the water is cold I never once felt cold myself. Absolutely AMAZING!!!!

Thomas W

5 star rating: Highly Recommended July 2015

Snorkeling was awesome. A highlight of my around the world trip!

Lindsey B

5 star rating: Highly Recommended June 2015

This tour was fun, a little bit challenging, and a great way to see parts of Iceland beyond your usual bus tour.

Juan was a great guide - he picked us up from our hotel promptly and took us straight to the National Park to snorkel with the other guests in the small tour. Getting suited up in the dry suits was a bit of a long process, but Richard and Juan explained everything and made sure everyone was comfortable before going in the water. They both had some great tips for how to deal with the cold and where to look to see the best views underwater. I've never seen water that clear or felt it that cold!!, and saying you snorkeled in the continental divide is pretty awesome.

After a brief lunch stop, we were off to the lava tubes on the other side of Reykjavik - Juan told us all about how they were formed, helped us through the tight spots in the tunnels, and made it a fun experience with a few stories. The lava tubes were fascinating to see up close, and this was one of the more authentic caving experiences I've seen.

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Tour code: 5590LAVA

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