Information only available in German
The rock faces of the Jungfrau massif drop almost vertically to the bottom of the Lauterbrunnen Valley. Huge vertical differences of up to 3200 meters occur within a short horizontal distance of a few kilometers.
The crystal cleft at Gerstenegg displays the fascinating world of crystals in their natural form. The cavern is situatet about 1.5 kilometers inside the Grimsel Massif. It was discovered in 1974 during construction work for a hydropower station and now constitutes one of the main attractions on the guided tour of the power station.