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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.
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