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Adventure Collective Journal

Exploring Silfra Fissure: Snorkeling Between Continents in Iceland’s Þingvellir National Park

Exploring Silfra Fissure: Snorkeling Between Continents in Iceland’s Þingvellir National Park

Dive between two continents on this snorkeling adventure in Iceland’s Þingvellir National Park. Glide through crystal-clear waters of the Silfra Fissure with expert guidance, exploring a rift where Earth’s tectonic plates meet beneath the surface.

Þingvellir, Þingvellir National Park
5–6 hours
By Adventure CollectiveOctober 2025

The Experience

Before You Go

Bring warm base layers

Wear moisture-wicking fleece or wool layers under your dry suit to stay comfortable before and after snorkeling.

Ability to swim required

Participants must be able to swim and comfortable in cold water environments to safely enjoy the tour.

Limit of six participants per guide

Small group sizes ensure personalized attention and increase safety during the snorkeling experience.

Plan for a 5.5-hour excursion

The full tour includes transfers from Reykjavík, safety briefing, drying time, and snorkeling, so allocate plenty of your day.

Local Knowledge

Hidden Gems

  • Öxarárfoss waterfall trail within Þingvellir with fewer visitors
  • Nearby small volcanic craters with panoramic views east of the fissure

Wildlife

  • Arctic char inhabiting the cold waters
  • Golden plover often spotted around Þingvellir fields

Conservation Note

Strict environmental regulations protect Silfra’s water purity and the sensitive Þingvellir ecosystem, limiting visitor numbers and enforcing no-touch policies.

Þingvellir was the site of Iceland's Althing, established in 930 AD, creating one of the world's earliest parliaments amid this dramatic rift valley.

Photographer's Notes

Best times:Morning light, Golden hour, Overcast midday for even lighting
Key viewpoints:
  • On entry platform above Silfra
  • Along the eastern rift wall trail
  • From the nearby Öxarárfoss waterfall
Subjects to capture:Underwater tectonic formations, Icelandic moss-covered lava fields, Arctic char in the fissure

What to Bring

Dry suit and insulated glovesEssential

Keeps you warm and dry in near-freezing Silfra waters, allowing extended comfortable snorkeling.

Wool or fleece base layersEssential

Essential undergarments for warmth before and after entering the water.

Waterproof footwearEssential

Protects your feet during the rocky entry and exit points at the fissure.

Contact lenses (if needed)

Glasses cannot be worn under snorkeling masks; contacts ensure clear vision underwater.

Common Questions

Do I need to know how to swim to join the snorkeling tour?

Yes, all participants must be able to swim since Silfra snorkelers are in deep, cold water with strong currents.

What is the water temperature in Silfra?

Water temperature stays around 2–4°C (36–39°F) year-round, which is why dry suits are provided.

Is snorkeling in Silfra suitable for beginners?

While no advanced diving skills are needed, swimmers must be comfortable in cold water and using snorkeling gear.

How long does the tour last, including travel?

The full tour lasts about 5.5 hours, including transportation from Reykjavík, briefing, snorkeling, and return.

Are underwater photos included?

Yes, professional underwater photos are provided at no extra cost to capture your experience.

What health conditions could prevent participation?

Certain cardiovascular or spinal conditions may disqualify guests; a medical form and doctor’s approval may be required.

Book This Experience

Check Availability

Duration

5–6 hours

Location

Þingvellir, Þingvellir National Park

Difficulty

moderate

Fitness Level

Moderate fitness is required to manage physical activity in cold water and participate in brief hikes to entry points.

Free cancellation available

Ready to Explore Þingvellir?

Book your guided walking tour and discover the hidden stories of this historic mountain city.

Check Availability & Book Now