This dive site offers a unique freshwater experience in Switzerland's Lake Walen. The main attraction is a large underwater tunnel, providing a thrilling dive focused on dramatic rock formations and geology. Divers navigate the dark, cold waters to explore this impressive overhead environment.
Weesen Tunnel 1
Fascinating freshwater tunnel dive in an alpine lake.
Boat Access
25m Avg Depth
40m Max Depth
About this dive site
DivingFreedivingSnorkeling
Site Ratings
Big Marine Life Poor
Macro Marine Life Fair
Landscape Quality Excellent
Water Visibility Very Good Viz
Brought to you by Scuba Viva
Plan Your Visit
cavernwall divecold wateraltitude divingadvanced onlyrock formationfreshwater
Marine Life
Trout
Pike
Crayfish
Perch
Things to Note
Difficulty:
Advanced
Overhead environment, cold water, and potential depth require advanced training.
Hazards:
depthcold wateroverhead environmentboat trafficaltitude
Current Strength:
Mild
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