About this experience
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:
First Stop: Raufarhólshellir Lava Tunnel
Tour Time: 9:30 AM. Please arrive at least 15 minutes early for check-in.
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
Next available dates
What’s included
- 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
Not included
- Parking fees
- Pickup and dropoff - you must meet us on location with your own transportation
Itinerary
- 1
Raufarhólshellir Lava Tunnel
Meet us at the Lava Tunnel for your 9:30 tour
- 2
Snorkeling in the Silfra Fissure
September 1 - May 31: Please meet us at the Silfra Car Park - ''Arctic Adventures Silfra Fissure'', 15 minutes before your 13:30 Snorkeling adventure June 1 - August 31: Please meet us at the Silfra Car Park - ''Arctic Adventures Silfra Fissure'', 15 minutes before your 14:00 Snorkeling adventure
Good to know
- Difficulty
- Moderate
- Minimum age
- 12+ years
- Guide
- Guided tour in English
- Start times
- 09:30
Know before you go
- This is a combo of two tours: Snorkeling in Silfra and the Lava Tunnel .
- Guests must carefully review our Snorkeling in Silfra Handbook before the tour. If you have a listed medical condition, approval from a doctor is required
- Participants need to be comfortable in the water and able to swim
- It is crucial that guests can both understand and communicate in English to participate in the tour
- This tour is not suitable for pregnant people due to the small risk of cold water entering the suit
- Dry suit sizes: Our gear is limited to standard sizes available on the market, and it’s crucial that guests fall within the specified size parameters. This ensures the safety equipment fits properly, keeping you warm and protected in the glacial waters. For your safety and comfort, please confirm that you meet the required sizing guidelines: Weight: 99-265 lbs (45-120 kg)
- Height: 4'11" - 6'7" (150-200 cm)
- Snorkeling masks cannot accommodate glasses. If you do not have a prescription mask of your own, please arrange to use contact lenses
- Participants are responsible for reviewing our Snorkeling Handbook before the tour. The handbook contains important medical and safety information. If guests do not meet the requirements for safe participation, we are unable to accommodate them on the tour.
- 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
Cancellation policy
Free cancellation up to 1 day before the experience starts.
- 1 day or more before: full refund
- Less than 1 day before: no refund
Meeting point
View on map
The Lava Tunnel - Raufarhólshellir
- Address
- Route 39, Hveragerdi, 810, IS
- How you meet
- Meet on location
- Coordinates
- 63.93988, -21.39617
Illustrative map. Open it in Maps for the exact spot and live directions.
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Frequently asked questions
How long does this experience last?
It lasts 5 hours.
Can I cancel this booking?
Free cancellation up to 1 day before the experience starts. 1 day or more before: full refund · Less than 1 day before: no refund
Is this experience guided, and in what language?
Guided tour in English
Is hotel pickup included?
No — you make your own way to the meeting point.
Where does this experience start?
It starts at The Lava Tunnel - Raufarhólshellir, Route 39, Hveragerdi, 810, IS.
Is there a minimum age?
Travellers must be 12 or older.
From AED 718 per person
