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Frequently Asked Questions

About Snorkeling Tours

Snorkeling tours in Iceland are conducted in Silfra fissure, found within Þingvellir National Park. Silfra is a natural glacial spring, boasting water visibility that exceeds 100 m (330 ft). If you wish to partake in a tour here, you must wear a drysuit or wetsuit to stay comfortable in the 2-3°C water. Only those who can swim are permitted on snorkeling tours.

1. Can I meet the guides on the location?

Yes, though the specific meeting point will differ with each operator. Some may wish to meet you at the nearby visitor's centre, others in Silfra car park. Contact your tour operator directly, or alternatively, email info@guidetoiceland.is for further information.

2. Do I need to know how to swim?

Yes, all participants must know how to swim. Though the drysuits are very buoyant, guest are required to exert some physical exercise whilst on the tour.

3. Is it possible to negotiate about the age limit?

No, the tour operators need to adhere to Icelandic laws.

4. Is the water cold?

The water in Silfra is 2-3°C (35-37°F) year-round. Because Silfra has a light current running through it, the fissure never freezes, not even during the winter.

5. Do you need to wear a drysuit?

Most operators require you to wear a drysuit, although some will also let you snorkel in a wetsuit. There are no options to snorkel without protective equipment, however, as the water is far too cold.

6. What other equipment will I use in Silfra?

Alongside the drysuit, you will wear a pair of neoprene gloves, a neoprene hood, a pair of fins and a snorkeling mask. 

7. Is the tour cancelled if it is raining or snowing?

No, tours at Silfra will go ahead unless extremely strong winds warrant a cancellation.

8. Are there snorkeling tours in the ocean?

No, all snorkeling is done in Silfra fissure.

9. Is the water drinkable in Silfra?

Yes, and absolutely delicious. Remember "The Golden Rule", however, and don't drink too much (drysuits are known for self-containing any liquid).

10. How long does the tour last?

The tour lasts at least two hours, with snorkeling time ranging between 30 and 45 minutes. 

Customer reviews

Read reviews by travellers from across the world

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Snorkel between Continents in Silfra Fissure | Free Photos

5 average rating | 11 reviews

Snorkel between Continents in Silfra Fissure | Free Photos

This is definitely once in a lifetime experience! Snorkelling between two continents in beautiful colors :) The guide was just wonderful, very knowledgable. He told us all the safety standards before the tour began so we felt safe. It was the first time I was doing something like this and I couldn't be happier I did it with the trölls!!! Must come back :)

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Snorkel between Continents in Silfra Fissure | Free Photos

5 average rating | 11 reviews

Snorkel between Continents in Silfra Fissure | Free Photos

AMAZING!!! Simply amazing tour. I've snorkeled all over the world and Silfra with the Trolls are the best one. A must do in Iceland

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Drysuit Snorkelling Tour in Silfra

4.6 average rating | 116 reviews

Drysuit Snorkelling Tour in Silfra

Although it’s my first time to do snorkeling, the dry suit always kept me floating so it’s not hard to follow the team. Our guide Julian was nice and also took us to a site in Þingvellir National Park to see the beautiful scene. It was a cold day in late December but it definitely a COOL experience to share with family and friend!

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Snorkelling Silfra & Golden Circle Tour

4.5 average rating | 4 reviews

Snorkelling Silfra & Golden Circle Tour

Wonderful experience!We were picked up by NINO. He was very nice and friendly.We were all very happy to stay with him.

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Drysuit Snorkelling Tour in Silfra

4.6 average rating | 116 reviews

Drysuit Snorkelling Tour in Silfra

We had an absolute blast doing the tour! Our guides were very knowledgeable and gave us great tips on the diving technique. Beware-it is very cold! But absolutely worth the experience. We will be doing it again on our next trip to Iceland!

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Drysuit Snorkelling Tour in Silfra

4.6 average rating | 116 reviews

Drysuit Snorkelling Tour in Silfra

Wow, what a surreal experience! Adventure Vikings were super, we were very well looked after and a small group, which was really nice. We recommend the Dry Suit over the wet suit, mainly for warmth purposes!! As it's 2C in the water and 6C out - one of our group had a wet suit and he was certainly cold, we were ok, especially with the hot chocolate they give you post snorkel. We didn't feel we missed anything by not being able to dive lower. What you see under that lake is absolutely awesome and beautiful. Highly recommend.

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Drysuit Snorkelling Tour in Silfra

4.6 average rating | 116 reviews

Drysuit Snorkelling Tour in Silfra

I had a wonderful time in Iceland. The GuideToIceland staff ( a few of them took turns e.g. emails and FB messages from Sverrir Omar, and I learnt later that it was actually a few people responding to me) continuously contact me on Facebook messenger and email throughout my stay with great advice so I didn't feel alone and stranded/helpless (especially crucial for me as Norwegian Air LOST my luggage WITHOUT offering any compensation at all in the emergency situation, so I was left without my winter clothes, hiking shoes, swimsuit etc. that I had prepared for super cold and windy Iceland!) All I had was the summer Bangkok clothes I was wearing on my flight on my way after spending 2 weeks in hot sunny Greece. They recommended a shop to rent winter clothes and shoes although it was closed as I arrived on Sunday. The Loft hostel staff was helpful recommended the weekend flea market where I shop keepers helped dress me with affordable polar fleece and gore tex jacket (100€) and Ugg type boots (8€). GuideToIceland staff helped to reorganized my trip on the spot so that I had full activities everyday right till I went to the airporr at night for 1 am departure flight. E.g. arranged for 2nd night of free Northern lights hunt, last minute switch to go snorkeling in Silfa instead of going inside the volcano ( no hiking boots to do that), moved the Jokulsarlon South Coast trip to the last 4th day instead of 3rd day so that the 14 hour day trip ends perfectly in time for a bus ride from the central bus terminal to the airport for 11 pm check in. When I visited their office in City Hall I got a postcard set

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Silfra and the Golden Circle | Snorkelling and Sightseeing

4.9 average rating | 13 reviews

Silfra and the Golden Circle | Snorkelling and Sightseeing

The whole tour was fantastic, but snorkeling and Gullfoss were the highlights. Our guide Heimir was one of our top 3 favorite things we experienced on our entire trip to Iceland. I would recommend him to absolutely anyone.

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Snorkelling Silfra Tour | Meet on Location

4.9 average rating | 14 reviews

Snorkelling Silfra Tour | Meet on Location

I was a bit skeptical about snorkeling in freezing water at first but it was no problem at all with the dry suit. My guide, Bart, was great and funny. He was thorough in instructions and very patient with our group. It was a great experience.

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Snorkelling Silfra & Lava Caving Day Tour

5 average rating | 1 reviews

Snorkelling Silfra & Lava Caving Day Tour

This day was amazing. I've seen a lot of beautiful water, but nothing that looks like Silfra. Even through all of the layers, you start to feel the cold near the end. The hot chocolate is much appreciated! The lava cave portion was extremely informative. Our guide knew a TON, and happily answered my sister's nearly 500 questions. Once in the cave you do need to be willing to squeeze through some smaller spaces.

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Drysuit Snorkelling Tour in Silfra

4.6 average rating | 116 reviews

Drysuit Snorkelling Tour in Silfra

This was a fabulous experience!! I have done plenty of snorkelling but never in a dry suit and it was great - the only parts of my body that felt cold at all were my face and hands. I was in the water for around 40 minutes. The visibility was amazing, and the guides were fantastic. Loved it, and would highly recommend it.

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Drysuit Snorkelling Tour in Silfra

4.6 average rating | 116 reviews

Drysuit Snorkelling Tour in Silfra

The guides were very friendly but also professional! Thank goodness the sun came out. This is totally worth the money! The water is so clean and clear that we drank it (not on purpose, but we did :P)

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Drysuit Snorkelling Tour in Silfra

4.6 average rating | 116 reviews

Drysuit Snorkelling Tour in Silfra

My friends and I went snorkeling in the beginning of March. Before we go, we heard a lot about the freezing water. But actually we wore a lot under the dry suit when we were in the water. So only the face and hands where exposed in the water felt a little bit cold at first. The glacier water has three colors, and the view and experience in the water are soooo unique. And our guides are very patient and nice. They actually helped us a lot when we were stuck in the rocks. Will definitely recommend this tour and attend once more if there is a chance back to Iceland.

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Freedive Silfra Tour in a Wetsuit

5 average rating | 3 reviews

Freedive Silfra Tour in a Wetsuit

it's the best way to enjoy diving in Silfra. strongly recommend.

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Freedive Silfra Tour in a Wetsuit

5 average rating | 3 reviews

Freedive Silfra Tour in a Wetsuit

This tour was incredible! Birgir, our guide, was funny, informative, so helpful and friendly. The freedive is perfect mix of snorkling and scuba diving. I highly recommend this tour - it's so beautiful in Silfra and I highly recommend using Freedive.is for your company tour!

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Snorkeling in Iceland

Iceland’s majesty does not just exist at surface level. For explorers willing to brace the cold, this country boasts a number of hidden underwater treasures, some of which are heralded among the best snorkeling and dive sites in the world.

But snorkeling in Iceland is quite unlike what most world travellers are used to. Swap out the beach shorts for a drysuit, trade-in tropical fish for dark and mysterious canyons, and lower the temperature dramatically, and you’ve got yourself a closer impression.

Regardless of the differences, snorkeling in Iceland is one of the most exhilarating, unexpected and unique activities available to visitors. How often, after all, does one go snorkeling amidst the snow?

Silfra Fissure, while heralded as Iceland’s premier snorkeling site, is but one of many glacial rifts that exist within Þingvellir National Park. As the Eurasian and North American tectonic plates continue to separate little by little each year, the continental no man’s land between them bears the brunt of the tension, often forming deep cracks and ravines that are submerged by glacial water.

One day in the distant future, these plates will have split apart so much that the adjacent lake, Þingvallavatn, will come to flood the whole national park.

Silfra Fissure has a slight current, meaning there is little need to swim (though swimming ability is a prerequisite). As your drysuit keeps you buoyant in the water, you can merely float the gauntlet, breathing in slowly as your eyes fully take in this subaquatic paradise. With near 100 metres visibility, you’ll have a captivating bird’s eye view over the fissure, its rock laden bottom, domineering canyon walls and luminescent green algae.

As previously mentioned, Silfra Fissure is lacking in fish-life (though young and smaller fish are known to treat the ravine as a nursery), but more than trades off for its unbelievable aesthetic.

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