08/10/2026
Harder Kulm is a 1,322-meter (4,337 ft) mountaintop destination in Interlaken, Switzerland. Known as the "Top of Interlaken," it features a castle-like panoramic restaurant, the glass-floored Two-Lakes-Bridge, and sweeping views of the Eiger, Mönch, and Jungfrau peaks, alongside Lake Thun and Lake Brienz.