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Diving in Iceland: All you need to know
Diving in Iceland is an unforgettable experience, offering some of the clearest waters in the world. Unlike tropical dive sites, Iceland’s underwater landscapes are shaped by glacial meltwater and tectonic activity. The most famous dive site is Silfra fissure, located in Thingvellir National Park, where divers can explore the rift between two continents in pristine, crystal-clear water.
Silfra fissure is one of the most unique dive sites in the world. It’s the only place where you can dive between the North American and Eurasian tectonic plates, experiencing underwater visibility of over 328 feet (100 meters). Diving here offers an unparalleled experience, with divers gliding through the crystal-clear water and exploring the colorful and dramatic rock formations that line the rift.
With Silfra water temperatures ranging from 35–39°F (2–4°C) year-round, the experience is both exhilarating and refreshing. It's a must-do for avid divers, no matter the season!
What to Know About Diving in Silfra Fissure in Iceland
The Silfra fissure is located within Thingvellir National Park, a UNESCO World Heritage site. It's known for its geological significance where the North American and Eurasian tectonic plates meet, as well as its rich history as the founding site of Iceland’s parliament, the oldest parliament in the world.
With its stunning landscapes of lava fields, crystal-clear lakes, and scenic vistas, Thingvellir National Park is an integral stop on Golden Circle tours, alongside the Geysir geothermal area and Gullfoss waterfall. Diving in Silfra adds a unique adventure to this iconic route.
To dive in Silfra fissure, you'll need a SCUBA certification (PADI Open Water or equivalent). Diving in Iceland can be physically demanding due to the cold water conditions, so all divers must sign a medical statement before their tour. If you have any underlying health conditions, such as neurological, circulatory, or respiratory issues, you may need a doctor's approval note.
Additionally, divers over 45 who smoke, have high cholesterol, or a family history of heart problems, as well as those over 60, will need medical clearance to participate. Tour operators provide all the necessary gear to ensure a safe and comfortable experience.
If you’re not diving certified or prefer a more accessible option, snorkeling tours in Silfra are a great alternative. For those looking to gain the necessary certification, you can take this PADI Dry Suit Diver Course to get certified and prepare for cold-water diving in Silfra.
Best Iceland Diving Tours
Several guided diving tours allow you to explore the Silfra fissure in Iceland. Whether you're interested in drysuit diving, free diving, or even night diving, these tours offer a variety of ways to experience Iceland’s unique underwater world.
- Free Diving and Snorkeling Tour in Silfra With a Wetsuit: For those looking for an immersive experience, this tour allows you to free dive in Silfra with a wetsuit, giving you direct contact with the pristine glacial water.
- Diving Tour in Silfra With Drysuit and Hot Drinks: A guided drysuit diving tour in Silfra, ideal for certified divers looking to explore the world-famous fissure. Your experienced guide will lead you through the best sections of the fissure, and afterward, you can warm up with hot drinks.
- 1-Hour Drysuit Diving Tour in Silfra with Hot Drinks with Transfer from Reykjavik: This tour includes round-trip transportation from Reykjavik, making it a great option for travelers who don’t have their own rental car. Enjoy a hassle-free experience as you dive in Silfra with expert guides and all necessary equipment provided.
- 4-Hour Nighttime Free Dive at the Silfra Fissure with Experienced Guides & Hot Drinks: A unique way to experience Silfra, this nighttime free dive takes place under the glow of the midnight sun in summer or moon and stars in winter. You’ll witness a completely different atmosphere!
- 8-Hour Diving Tour at Silfra and Davidsgja Fissures with Transfer from Reykjavik: This full-day tour is perfect for divers looking for more exploration. In addition to diving in Silfra, you’ll visit Davidsgja, another stunning fissure within Thingvellir National Park. This lesser-known dive site offers a wider passage and a slightly deeper experience, making for an exciting second dive.
Other Diving Locations in Iceland
While the Silfra fissure is the most famous diving and snorkeling location in Iceland, there are several other unique spots worth exploring for diving lovers.
- Strytan (Eyjafjordur fjord, North Iceland) - This diving spot features hydrothermal chimneys that release warm freshwater into the fjord, with water temperatures ranging from 41–50°F (5–10°C).
- Kleifarvatn lake (Reykjanes peninsula) - Divers can see geothermal activity firsthand, with bubbles and warm water rising from the lakebed, offering a dynamic underwater landscape.
- Gardur (Reykjanes peninsula) - Known for its kelp forests, rocky reefs, and marine life, Gardur is a good spot for underwater photography.
- Litlaa river (North Iceland) - Litlaa offers a comfortable snorkeling experience with water temperatures between 57–64°F (14–18°C), featuring vibrant plant life and warm currents.
- El Grillo "The Cricket" Wreck (Seydisfjordur, East Iceland) - The wreck of this sunken British oil tanker from the Second World War offers a glimpse into wartime history but is currently inaccessible due to a recent oil spill.
Experience a True Underwater Adventure in Iceland
Diving in Silfra fissure is a once-in-a-lifetime experience, offering the unique opportunity to explore the rift between two tectonic plates in some of the clearest water on Earth. With its unparalleled visibility, crystal-clear glacial water, and the chance to dive between the North American and Eurasian continents, Silfra is a must-visit for any diving enthusiast.
Whether you’re a certified diver or prefer snorkeling, Silfra’s stunning underwater landscapes and rich geological history make it a truly unforgettable destination. Explore the selection of diving tours in Iceland for an underwater adventure.
Frequently asked questions
What are the best dive tours in Iceland?
1. Free Diving and Snorkeling Tour in Silfra With a Wetsuit: Experience the Silfra fissure up close while free diving in its crystal-clear waters.
2. Diving Tour in Silfra With Drysuit and Hot Drinks: This popular drysuit diving tour takes you through the stunning Silfra fissure, followed by hot drinks to warm up afterward.
3. Guided 1 Hour Drysuit Diving Tour in Silfra with Hot Drinks with Transfer from Reykjavik: This tour offers a one-hour drysuit dive in Silfra and the chance to enjoy hot drinks afterward, with a convenient transfer from Reykjavik.
What are the cheapest dive tours in Iceland?
1. Free Diving and Snorkeling Tour in Silfra With a Wetsuit: Experience Silfra fissure while free diving in its crystal-clear waters, with the added bonus of a wetsuit for comfort.
2. Extreme 4-Hour Silfra Diving Tour at Thingvellir National Park: This 4-hour diving tour offers an in-depth exploration of Silfra with a guide.
3. Unforgettable 4-Hour Nighttime Free Dive at the Silfra Fissure with Experienced Guides & Hot Drinks: A unique nighttime dive through Silfra, with expert guides and the chance to warm up with hot drinks after an unforgettable experience.
Is it worth it to go diving in Iceland?
Snorkeling tours are an incredible alternative if you don't have a diving certification.
Am I physically fit to dive in Iceland? What requirements are there?
To join a diving tour, you must have a SCUBA certification (PADI Open Water or equivalent) along with a drysuit certification or proof of recent drysuit diving experience. If you’re not certified, snorkeling in Silfra is a great alternative, or you can complete a PADI Dry Suit Diver Course to qualify for cold-water diving in Iceland.
Is a diving certification required for participating in dive tours in Iceland?
Do I need to have drysuit experience to dive in Iceland?
However, those with time can take this PADI drysuit diver course and become certified during their stay in Iceland. Always check the details of your individual dive tour and contact us at info@guidetoiceland.is with any questions.
What is the difference between scuba diving and free diving?
Free diving, on the other hand, relies on holding your breath rather than using an air tank. It requires strong breath control and good swimming skills but does not require heavy equipment. Free divers typically wear wetsuits for insulation and use weight belts to help with buoyancy. While free diving allows for more freedom of movement, it also has depth and time limitations compared to scuba diving.
What is the difference between a wetsuit and a drysuit?
Drysuits, on the other hand, are fully waterproof and keep the diver completely dry by sealing out water. They require additional layers underneath for insulation and are great for diving in cold environments like Silfra, where water temperatures stay between 2–4°C (36–39°F) year-round. Since drysuits require different buoyancy control techniques, divers need certification or documented experience to use them on guided tours in Iceland.
How long will my diving tour in Silfra last?
This extraordinary wetsuit free-dive trip in Silfra lasts about four hours, while this drysuit dive lasts three hours and includes a hot drink to warm you up afterward.
Can you scuba dive in Silfra during winter time?
What is the water temperature in Silfra?
What is the water visibility in Silfra?
Are there any other dive sites in Iceland except Silfra?
If you want to earn your PADI dry suit diver certification on your vacation, Iceland is the perfect place to learn from experienced divers and explore magical underwater worlds.
What are the group sizes for diving tours in Iceland?
What type of diving gear is provided on Icelandic dive tours, and what should I bring?
Are there any age restrictions for diving tours in Iceland?
How do I prepare for a dive tour in Iceland's cold water conditions?
What marine life can I expect to see while diving in Iceland?
Are there dive tours available for both beginners and experienced divers in Iceland?
Snorkeling tours may be better suited to those with little-to-no experience, such as this best-rated Silfra snorkeling tour from Reykjavik.
What is the best time of year to go diving in Iceland?
How can I ensure environmental responsibility while diving in Iceland?
Is insurance required for diving tours in Iceland?
Are there dive tours that explore Iceland's volcanic underwater landscapes?
What safety procedures are in place for diving tours in Iceland?
How does the weather affect diving conditions in Iceland?
How experienced are the guides for Icelandic diving tours?
How do I get from Reykjavik to Silfra?
The easiest way to go to Silfra is by renting a car and following Route 1 (Ring Road) east before turning onto Route 36 toward Thingvellir National Park.
If you prefer not to drive, many guided diving and snorkeling tours offer pickup and drop-off from Reykjavik. These tours provide convenient transportation, allowing you to relax and enjoy the experience without worrying about navigation or parking.
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