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Snorkeling in a fissure caused by two tectonic plates drifting apart is something you can't do everyday! Silfra is the name of a big 'crack' stretching parallel to the North American and a micro-plate called Hreppar that broken off from the Eurasian plate.
Silfra has world-renowned clear and drinkable water with over 100 metre visibility daily. This is unlike any tour you can do in Iceland and is something you can't do anywhere else in the world.
We are the only company to offer wetsuit and drysuit. This means members of your group can book different options and still be together in the water.
We include photos and usually take around 40-100 photos as standard depending on the size of the tour and you will be able to download them after at least a few days.
We always have small groups, 6 people per guide. This allows for a better and more personal feel. If you have a group of 7 or more you can be together preparing your equipment but in the water some of you will be separate.
Not recommended for travelers with spinal injuries
Not recommended for travelers with poor cardiovascular health
Not recommended for pregnant travelers
Suitable for all physical fitness levels
All participants must know how to swim and be comfortable in water
All participants must be able to communicate in English
Please note that that dry suits can sometimes feel quite tight and constricting, especially around the neck and wrists
Minimum age is 12 years, please reach out regarding younger participants & Participants over the age of 65 need to get a physicians approval
Be at minimum 150cm (4’9) tall / maximum 200cm (6’7) tall, and be at minimum 50kg (99 lbs) / maximum 120kg (264 lbs)
Don't wear glasses, instead bring contact lenses or your own prescription mask (if you have one)
Recommended to bring a change of clothes (the drysuit has a very small chance of leaking)
All participants will need to fill out a medical form before participating in the tour - http://adventurevikings.is/wp-content/forms/SNORKELING%20SILFRA%20MEDICAL%20STATEMENT%202023.pdf
All participants heights, weights and age must be provided to local operator. If you do not provide at time of booking, please contact supplier immediately after booking to provide this information
We recommend wearing long thermal underwear and thick wool socks a a base layer under the drysuit.
Please dress according to weather - no heals or jeans
All participants will need to fill out a medical form before participating in the tour. Please find a link to the medical statement on your ticket voucher.
Note: Each guide can assist one group of up to six participants at a time. Up to three different groups can be present during this activity.
Make sure to eat breakfast before this activity
Not recommended for people with claustrophobia (Wetsuit can be a better option if you are)
The location of Silfra, where the snorkeling takes place, is within Thingvellir National park. Passengers, while driving through, get a chance to view some of the beautiful nature the national park has to offer.
Heading out from your Reykjavík accommodation to Silfra takes about 45 minutes. After greeting your certified guide upon arrival, you'll gear up, listen to a safety overview, and head into the glacially flooded fissure known as Silfra. You'll spend around 30–40 minutes in the water before exiting and walking back around 5 minutes walk. You'll then get a chance of warming up with a well earned hot chocolate. We’ll take photos during the snorkeling. Typically 40–100 images, depending on group size and skill level. The photos will be available for download a few days later free of charge. For the drysuit option, Please bring your own one thermal base-layer. We recommend bringing thick (preferably wool) socks to help keep your feet warm while snorkeling. We’re the only company offering both wetsuit and drysuit options. This means members of your group can book in wetsuits or drysuits and you will still be in the same group in the water.
Reykjavik Pick up and return Pickup included
Reykjavik Pick up & return Pickup included
Underwater photos
Pick up and drop off in Reykjavik
Use of Snorkelling equipment
PADI Divemaster/ Instructor or equivalent
Hot chocolate
Food
Clothing suitable for the weather, for example waterproofs
Chọn điểm đón
For a full refund, cancel at least 24 hours before the scheduled departure time.
672 đánh giá
Tổng số đánh giá và xếp hạng từ Viator & TripAdvisor
petram751,4 thg 6, 2026
- Đánh giá từ Tripadvisor
Doris was amazing guide during snorkelling tour. The experience is really different. Highly recommended to anyone that is visiting Iceland :)
NatalieH1136,3 thg 6, 2026
- Đánh giá từ Tripadvisor
Such an amazing experience, can’t recommend enough. Pick up was super easy and they even pushed my time back so I could eat breakfast first. Ines was a wonderful guide and I’m already wishing I could go back tomorrow and snorkel again.
AnnaDLodgey,30 thg 5, 2026
- Đánh giá từ Tripadvisor
A fantastic experience! The lake is breathtaking, and the expedition very well organized: very good equipment (keeps you warm and dry, except for part of the face and the hands), knowledgeable and attentive guides, small groups in the water - and delicious hot chocolate and great free photos of your dive as a reward! I would recommend the dry suit the first time for sure: swimming/snorkeling in cold water takes some getting used to it. Looking forward to doing this with a wetsuit next time.




vicder,30 thg 5, 2026
- Đánh giá từ Tripadvisor
Dora was great. All the guides were helpful. No issues. Very informative 👏 👌 👍 😀
Kerstin T,29 thg 5, 2026
- Đánh giá từ Viator
Perfect organization on-site, perfect support. Other than underwear, you do not need to bring anything at all. The briefing by Kaja was professional and caring. She was incredibly friendly and even helped us with getting dressed. Apparently, she checked that everything fit perfectly on our bodies. She explained the process to us and showed us a map of the structure of the Silfra fissure. Entering the water also took place in individual steps, so that we could get used to the water temperature. The snorkeling itself was very relaxed and easy, as a gentle current pushed us through the channel. The view was breathtaking. Kaja always kept an eye on us and asked if everything was alright. We felt safe and well taken care of. It was one of the most beautiful moments ever. Many pictures were also taken, which we will receive in 2 days. It was an unforgettable stay! Thanks to the entire team at Viking Adventures
520konstanting,27 thg 5, 2026
- Đánh giá từ Tripadvisor
I had a great experience in Silfra. The water was Christal clear and it was very special. My Instructor Ines was very kind and fun and made sure I was safe and had a good time!
F2839WEahmada,16 thg 5, 2026
- Đánh giá từ Tripadvisor
Absolutely amazing once-in-a-lifetime experience. Dory was incredible and so friendly
R5268BPscottf,15 thg 5, 2026
- Đánh giá từ Tripadvisor
Up front: do it! Use Adventure Vikings! Our guide Ines was exceptional!! Fun, friendly, professional, experienced. All of the gear was in great shape and well-fitted. Also gave great advice for other adventures. Personal experience: I had an allergic reaction (anaphylactic) to something I had eaten just prior to the activity. I unexpectedly and without warning experienced difficulty breathing almost immediately after entering the water, but I didn’t realize what was going on and tried to press on. Ines checked on me regularly to ensure my safety, and when it was clear I was in a dangerous situation, she calmly and efficiently got me to the exit point — all the while ensuring both the safety land enjoyment of the rest of the group. And because of her expertise, I still had fun (an interesting story is part of any experience!!). Thank you Ines, and again, highly recommend both Viking and Ines.

martinehK9027ZA,11 thg 5, 2026
- Đánh giá từ Tripadvisor
This was an amazing experience. Our guide Dory, was very kind and professional. We had a great time! Definitely would recommend. Thank you!
96vildea,11 thg 5, 2026
- Đánh giá từ Tripadvisor
Amazing experience! Beautiful nature, crystal clear water, and a very well organized tour. Our guide Dory was friendly, knowledgeable, and made the whole experience both safe and fun. Everything exceeded expectations, and I would highly recommend it to anyone visiting Iceland!
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