Clothing suitable for the weather; waterproofs (it can be wet in the cave)
Boots with ankle support
Child prices by age band are shown at checkout. Option texts and prices come from the operator's listing; prices checked on Viator on 22 October 2026.
Reviews
5.0
34 ratings Guidekin, Viator & Tripadvisor
100% of ratings with a star breakdown are 4★ or 5★: 34 of 34
Star breakdown of all 34 ratings
5 stars
33 · 97%
4 stars
1 · 3%
3 stars
0 · 0%
2 stars
0 · 0%
1 star
0 · 0%
Ratings collected from Guidekin, Viator & Tripadvisor.
Meeting point and route
Meeting point
Departure
09:00, 09:30 on Mon, Wed, Fri; scheduled through February 2027 (operator schedule, seats confirmed at checkout)
Pickup
Hotel pickup included
Operator
Adventure Vikings; booking and payment are completed on Viator
Itinerary
1
Leidarendi Cave
Leidarendi cave is a 900 meter long lava tube which offers unique rock formations, such as stalactites and shelves.
1h 30m
2
Thingvellir National Park
Here we go snorkeling in Silfra Fissure between two continents
3h · Admission included
About this tour, from the operator
Combining snorkeling and caving gives you the ultra experience of Icelandic nature. You will explore the hidden world of the lava fields on foot and underwater. The cave we will visit is called Leiðarendi. The 900 meter long lava tube offers unique rock formations, such as stalactites and shelves.
Some light crawling may be required yet Leiðarendi cave has a rather easy access to the underworld wonders of the Icelandic lava fields.
Snorkel in between two continents at one of the top diving sites in the planet! Silfra is located in Iceland’s National Park, Thingvellir, and is a fissure that was formed by the divergent tectonic drift of the Eurasian and North American plates. What makes Silfra exceptionally unique is not only its geological significance, but it is also world-renowned for its crystal clear, fresh glacial water.
No diving experience or diving license is needed for this experience, and all the gear that you need is provided.
Walking, children and accessibility
The operator's own notes, grouped by topic. Nothing here is added by Guidekin.
Walking and health
Not recommended for pregnant travelers
Not recommended for travelers with poor cardiovascular health
Suitable for all physical fitness levels
All participants will need to fill out a medical form before participating in the tour. Please find a link to the medical statement on your ticket voucher right after booking the experience to be sure if you qualify.
Children
Minimum age is 12 years, please reach out regarding younger participants & Participants over the age of 65 need to get a physicians approval
Not recommended for travelers with spinal injuries
All participants must know how to swim and be comfortable in water
A maximum of 6 people per guide snorkeling and 8 participants for caving
All participants must be able to communicate in English
Please note that that dry suits can sometimes feel quite tight and constricting, especially around the neck and wrists
Be at minimum 150cm (4’9) tall / maximum 200cm (6’7) tall, and be at minimum 50kg (99 lbs) / maximum 120kg (264 lbs)
Don't wear glasses, instead bring contact lenses or your own prescription mask (if you have one)
Recommended to bring a change of clothes (the drysuit has a very small chance of leaking)
If you opt for the wetsuit option you need to bring swimwear and a towel, we recommend reading the wetsuit option so you know what to expect
All participants heights, weights and age must be provided to local operator. If you do not provide at time of booking, please contact supplier immediately after booking to provide this information
Please dress according to weather - no heals or jeans
Note: Each guide can assist one group of up to six participants at a time. Up to three different groups can be present during this activity.
Make sure to eat breakfast before this activity
Not recommended for people with claustrophobia
Travelers should be comfortable with crawling through some tight/ low areas
Good to know
Food not included bring or buy your own
Age rule Minimum age is 12 years, please reach out…
Cancellation policy
For a full refund, cancel at least 24 hours before the scheduled departure time.
1+ days: Full refund
0-1 days: No refund
Compared with other Silfra Snorkeling & Diving
Tour
Price
Duration
Rating
Group
This tour · #14 of 22
€295
6h–7h
4.97 (34)
shared
Silfra: Diving Between Tectonic Plates - Meet on Location
€253
3h
4.97 (2155)
shared
Silfra: Snorkeling Between Tectonic Plates - Meet on Location
€132
2h 30m
4.95 (5169)
shared
Silfra: Diving Between Tectonic Plates and Pick Up from Reykjavik
€316
5h 30m
4.97 (599)
shared
Ranked #14 of 22 in Silfra Snorkeling & Diving by Guidekin score (rating weighted by review volume). Prices here run from €122 to €316, median €193; typical length 5h. 1 of 22 are private. Figures are live from the tour cards; the rubric is our handpicked set, not the whole market. Compare all 22 Silfra Snorkeling & Diving