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A Silfra snorkelling tour where you float in glacial meltwater so clear you can see 100 metres in every direction. You snorkel a fissure that runs between the North American and Eurasian tectonic plates, right in Þingvellir National Park.
Silfra is a water-filled fissure in Þingvellir National Park where the North American and Eurasian tectonic plates are slowly pulling apart. The water comes from Langjökull glacier, filtered through underground lava for years before it reaches the fissure, which is why visibility regularly runs past 100 metres.
You meet your guide at a small parking area near Silfra rather than being picked up, so getting yourself there is part of the plan. Once suited up in a full drysuit, thermal undersuit, hood, gloves and fins, you spend around 3 hours total on site, most of it briefing and gearing up either side of roughly 30–40 minutes actually in the water.
The water sits close to freezing all year, but the drysuit keeps you dry, so it feels more like a cold face than a cold body. It's rated easy: there's no swimming technique needed since the drysuit floats you, and the current does most of the moving. The minimum age is 12, with some flexibility for younger children by arrangement, and anyone 60 or over needs a signed medical form.
You stay dry inside the drysuit and thermal undersuit, so most people feel cool on the face and hands rather than genuinely cold.
No. The drysuit is very buoyant, so you float and use gentle fin kicks rather than swimming technique.
The minimum age is 12; younger children may be considered case by case with extra details sent in advance.
No, this is a meet-on-location tour, so you need to make your own way to the Silfra car park in Þingvellir.
Did this tour with my brother while my wife and kids explored bingvellir. It was an amazing experience, unlike any other activity we have done. The water is crystal clear and it just felt amazing. Great guides, felt very safe. My brother is not the best swimmer but it was no problem. The water did not feel cold - did the tour in March.
Hilton J. · March 2026The Super Jeep tour of Landmannalaugar was an amazing way to see Iceland’s highlands. The landscapes were surreal, and the guide was informative and fun. Definitely worth it for anyone wanting an adventurous day out.
Beatriz · August 2025Must do activity when in Iceland - simply breathtaking!
Anna T. · June 2025One of the best experiences of my travels around Europe. This was on my top list for Iceland and I do not regret it one second. The guide was great and the colors of Silfra were fascinating. We were in a very small group so we felt safe at all times. The water was cold at first but then we got used to it and I could not feel the cold after I started snorkeling around.
Recommend for anyone traveling to Iceland that wants to add some great experience to their list of memories!
Snorkeling in Silfra was like nothing I’ve ever done before. The water was so clear, and it was surreal to swim between tectonic plates. Our guide made sure we were comfortable and safe, and the dry suits kept us warm. A must-do for any adventure lover!
LiamSnorkeling between two continents was amazing! The water was crystal clear, and the experience was otherworldly. Highly recommended!
Alex P. · October 2024The Silfra Snorkeling Tour was an incredible experience! Floating between the tectonic plates of North America and Eurasia in crystal-clear water was truly magical. The visibility was phenomenal, allowing us to see vibrant underwater life and the stunning rock formations. Our guide was friendly and informative, ensuring everyone felt safe and comfortable. The gear provided was top-notch, keeping us warm in the chilly water. This adventure is a must-do for anyone visiting Iceland! Highly recommend it for an unforgettable experience.
Daniel R. · October 2024This was one of the best things that I have done in my life. I have been on many snorkeling trips in my life - in the Caribbean - but this was totally different. We were not looking for the cute fishes but just looking at nature and how amazing the earth is. It truly was something that I will never forget and I am taking my kids to Iceland in a few years because they have to see this!
Anna · February 2023What a great experience to snorkel in Thingvellir National Park. To be honest, I was not sure about this activity that my wife had planned for us, but it really did surprise me! Had the best day with my wife while the other part of our group were staying in Reykjavik. I would not have wanted to miss out on this on our trip to Iceland and the other part of our group will 100% be doing this activity next time they visit Iceland.
Steven M. · December 2022Our family of 6 went on this tour and everyone had a really great time. When swimming in Thingvellir and Silfra you can see all the way to the bottom of the water, it is so clear. It was also very fun to know the history of the place and the rift. Our family has people from 17 to 60 and everyone loved this activity in Iceland.
Michael · April 2022Silfra Snorkeling Tour from ReykjavikFrom 25,990 ISKPrivate Silfra Snorkeling TourFrom 137,940 ISK
Golden Circle & Snorkeling SilfraFrom 34,990 ISK
