Rottalhorn 🏔️ Overview Rottalhorn is a steep, glaciated mountain in the Bernese Alps of Switzerland. Rising to approximately 3,971 meters (13,028 feet), it stands on the boundary between the cantons of Bern and Valais, immediately south of the much higher and better-known Jungfrau. Although Rottalhorn falls just short of the 4,000-meter mark, its elevation, exposed …