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Black & Blue - Lava Tunnel + Silfra Snorkeling

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183 reviews
The ultimate geological adventure! Explore the lava tunnel & snorkel between tectonic plates in the crystal-clear waters of Silfra. Join both unforgettable experiences with this value-packed combo.
Full description

Explore the Raufarhólshellir Lava Tunnel & snorkel the Silfra Fissure on this uniquely Icelandic geological odyssey | Free Underwater Photos & Hot Coco!

Tour Highlights:

  • Explore the Raufarhólshellir Lava Tunnel & witness the inner workings of an eruption that occurred over 5000 years ago
  • Marvel at the colours & intricate formations within the lava tube and learn about the geological processes that created this underground wonder.
  • Snorkel between the separating North American and Eurasian tectonic plates - a geological marvel only found in Silfra
  • The Silfra Fissure is located in the stunning Þingvellir National Park, a UNESCO World Heritage Site only 45 minutes from Reykjavík
  • Experience the clearest waters in the world! The glacial water originates from Langjökull (Long Glacier) and is naturally filtered through lava fields, resulting in some of the purest water on Earth,with an incredible visibility of up to 150 meters.

Meet on Location - Self-Drive Combo Tour

This is a self-drive combo tour. You’ll meet us directly at each activity location:

  1. First Stop: Raufarhólshellir Lava TunnelTour Time: 9:30 AM. Please arrive at least 15 minutes early for check-in.
  2. Second Stop: Silfra Snorkeling in Þingvellir National Park Meeting Point: Silfra car park Tour Start Time (varies by season) → WINTER (September 1 -  May 31) 1:30pm → SUMMER (June 1 - August 31): 2:00 pm Please arrive in the Silfra Car Park at least 15 minutes before the start time. 

All guests must carefully review our Snorkeling in Silfra Handbook  before the tour

About this activity
Duration
5 hours
Cancellation
24 hours
Language
English
Includes
  • English speaking tour guides Certified divemaster
  • Expert caving guide
  • All necessary snorkeling gear and safety equipment
  • All necessary specialized caving gear including helmet and headlight.
  • Thingvellir National Park admission fee
  • Hot chocolate & cookies to warm up after snorkeling
  • Free underwater snorkeling photos taken by your guide
  • Pickup and dropoff - you must meet us on location with your own transportation
Requirements
  • Outdoor clothing suitable for the current weather conditions
  • Good hiking shoes are recommended
  • Voucher
  • Lunch / Snacks

Snorkeling:

  • Thermal base layers in wool, fleece, or synthetic materials
  • Warm socks in wool, fleece, or neoprene
  • A spare set of clothes and socks for after the activity
  • A towel (your face, hair, and hands will get wet)
  • If required, a doctor’s letter (please review the Medical Statement page to check whether this applies to you)
  • Contact lenses, if needed (glasses cannot be worn under the snorkeling mask)

Sturdy hiking shoes, waterproof jacket and pants can be rented beforehand

Trip plan
This is an example. Travel routes may change.
From 23.990 ISK
Per person
Add to your experience
Thingvellir - National Park Fee (1500 ISK)

Mandatory service fee for all snorkelers and divers in Silfra.

1.500 ISK
Product ID: 449906