Point of interest 

Crystal Cavern Gerstenegg and Power Plant Grimsel

The unique crystal cavern Gerstenegg is approximately 1,5 km in the interior of the Grimsel massif and it is the only cavern in the Alps accessible in its original form. It was discovered in 1974 during the KWO power plant construction. The cavern can be visited as part of a power plant tour. The guided tour is recommended for young people aged above 11 years.


Postfach 63
3862 Innertkirchen
Phone: +41 33 982 26 26
E-Mail: welcome@grimselwelt.ch
Website: http://www.grimselwelt.ch/