Silfra Snorkeling & Lava Tunnel Combo Tour

About this experience

Embark on an unforgettable adventure combining two of Iceland’s most breathtaking experiences.

Begin your journey with a thrilling exploration of Raufarhólshellir, one of Iceland's longest and most renowned lava tunnels. Located just 45 minutes from Reykjavík, this extraordinary underground passage dazzles with vibrant colors and fascinating rock formations, offering a rare glimpse into the heart of a volcanic marvel.

Next, venture to the Silfra Fissure in the UNESCO World Heritage-listed Þingvellir National Park. Dive into crystal-clear waters for an unparalleled snorkeling adventure, where you’ll float between two continental plates in a surreal, otherworldly environment.

With an expert guide by your side, uncover the secrets of Iceland's geological wonders as you journey through a mesmerizing lava cave and immerse yourself in Silfra's pristine, dreamlike underwater world.

Know before you go

• Not recommended for travelers with spinal injuries
• Travelers should have at least a moderate level of physical fitness
• Minimum age is 12 years old. Participants under 18 must be accompanied by a parent or adult guardian booked on the same tour.
• We recommend bringing warm outdoor clothing, packed lunch, thermal underwear, a change of clothing, towel, gloves, hat and good hiking shoes
• Snorkeling masks cannot accommodate glasses. If you do not have a prescription mask of your own, please arrange to use contact lenses
• Requirements: Weight limit: 45-120kg. Height limit: 150cm – 200cm. Must be able to swim.
• Guests must carefully review our Snorkeling in Silfra Handbook before the tour to ensure everyone can safely participate: https://adventures.is/media/243158/snorkeling-handbook.pdf
• Pregnant women cannot participate in the snorkeling portion due to the risk of cold water entering the suit.
• Medical issues outlined in our handbook require doctors approval to join the tour. Some conditions mean guests cannot participate.
• Guests must have signed medical clearance from a doctor if you have any conditions outlined in the handbook (asthma, diabetes, high blood pressure, among others - see handbook)