Float between continental plates in the crystalline waters of Silfra at Thingvellir National Park. This guided snorkeling tour pairs a PADI divemaster and thermal drysuit with GoPro photos, delivering an otherworldly small-group experience just outside Reykjavík.
Float between continental plates in the crystalline waters of Silfra at Thingvellir National Park. This guided snorkeling tour pairs a PADI divemaster and thermal drysuit with GoPro photos, delivering an otherworldly small-group experience just outside Reykjavík.
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Operated by Troll Expeditions · Thingvellir, Southwest
You step off the gravel and the air tastes like cold metal and peat. Across a short stretch of volcanic plain the ground drops into a corridor of water so clear it looks like a mirror cut into stone. This is Silfra — a glacial fissure slicing the border between the North American and Eurasian plates — and within minutes a PADI divemaster has you snug in a drysuit, hood and gloves, explaining how the next hour will feel equal parts calm and deliberate.
moderate.
3 hours (total), 30–45 minutes in water.
Participants should have moderate fitness, be able to swim, and comfortable in cold water; some mobility on uneven ground required
No scuba skills required; snorkeling is surface-only but you must be comfortable floating and able to swim.
Silfra stays around 2–4°C year-round; drysuits, thermal undersuits, hoods and gloves are provided to keep you insulated.
The total booking is about three hours, with roughly 30–45 minutes of actual time in the fissure.
This is a self-drive tour; there are no public buses to the meeting point, so you must drive your own vehicle.
Yes — guides provide GoPro underwater and surface photos and will email them after the tour.
Not suitable for pregnant people, those with serious cardiovascular or certain medical conditions, or anyone over 69 without a doctor’s note; all participants must complete a medical form.
Thingvellir hosted the Alþingi from 930 AD and remains a core site of Icelandic national heritage where law and landscape intersect.
Silfra’s clarity is fragile; the site is regulated to limit impact — follow guide instructions, don’t apply sunscreen before entering, and pack out all waste.
Troll Expeditions operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




Book with Troll Expeditions
Book directly with Troll Expeditions for the best rates and real-time scheduling.
Reserve Now