?Dolinsj?n,? The sinkhole lake, longest under water cave in Sweden

[rhychydwr1]

The longest under water cave in Sweden  1,782 meters (1.1 miles) long, it is located within Bjur?lven Nature Reserve in the J?mtland mountains.

http://expeditionbjuralven.se/

http://expeditionbjuralven.se/the-cave/

http://expeditionbjuralven.se/gallery/

-20 degrees I had to put an extra pullover on to watch this.

 

[JasonC]

Fab, thanks for posting

 

[Pegasus]

Agreed, thanks for posting - I think you need at least two jumpers on to watch the videos, bloody hell it looks cold....