JuifenJuifen is a summit of the Karwendel range in the Austrian state of Tyrol.AlpinismThe Juifen is one of the most prominent peaks in the Pre-Karwendel range. The summit can be reached from Sylvenstein Dam as an alpine hike and is also a common destination in winter for ski tours or snow shoes. Mountain-bikers can get relatively close to the summit starting either from the Bächen Valley or from the Achen Valley, passing by the Rotwand Alp on the western slopes.