menu mask tank instagram facebook tripadvisor

Dive Davidsgja – Lake Thingvallavatn

      • Duration

        6 - 7 hours

      • Depending on time of year and weather conditions.

      • Certificate required


      • PADI Open Water or equivalent certification along with Dry suit certification or 10 logged Dry Suit Dives within the last two years.

  • 39.990 ISK
    Book now

Dive Thingvallavatn – Iceland’s largest lake

The tour includes

  • Two dives in Thingvallavatn
  • Free Reykjavik hotel pick-up and return
  • All equipment
  • Experienced guide
  • Hot chocolate and cookies
  • Lots of fun!


Silfra’s bigger cousin!
Thingvallavatn is the lake that Silfra feeds into and it is the largest natural lake in Iceland covering 84 km² and reaching a depth of 114m. On the north corner, there is a crack at the bottom that is a much bigger version of Silfra.

This crack is a favourite dive among Icelandic divers called Davidsgjá or David´s Crack, depth starts at around 10m and we usually drop to 25m. The water can be crystal clear just like Silfra and there is also a great chance of seeing local lake fish such as arctic char and trout.
Minimum requirements for diving:

You will need to complete an Dive Silfra Medical form to participate in this tour. It can be viewed using this link SILFRA DIVING MEDICAL RELEASE. It will need to be completed in full prior to the tour

A minimum age limit of 18. In order to come on the tour, you need to have dived within the last two years. You have to have an Open Water certification from any recognized diving organization and a Drysuit certification or 10 logged drysuit dives within the last two years.

Difficulty: Demanding.
This tour involves a little hiking with your equipment due to the remote location.

The lake is rarely affected by weather during the summer season.

Please bring:
Your PADI Open Water diving certification or equivalent from any recognized diving organization along with your drysuit diver certification, without your certification, you are not allowed to dive. Good warm long underwear and thick socks are recommended. Also, don’t forget your contact lenses as you won’t be able to wear glasses with the mask.


When we first get to the site you will enjoy the peace and quiet of having no one else around you when gearing up because of the secluded location where we enter the lake. This peaceful and remote feeling will then follow you all the way through your dive, as the only life you will see in the water part from your guide and your dive buddy might be some Trout and Arctic Charr.

We start the dive by swimming straight out into the lake for a few minutes, here the visibility is usually 10-20 meters, but just keep on swimming and when you reach the actual fissure in the lake floor the water goes cold and often crystal clear. We have seen up to 100 meters visibility here many times!

Max depth on this dive site is around 30 meters, but we will base our depth on your experience and confidence.

Definitely a must-do
A truly unique and amazing experience! The guides were professional, organised and knowledgeable, and everything ran smoothly.

Samit K – May 29, 2016