Bifertenstock

The Bifertenstock, or ), is a mountain in the Glarus Alps, located at an elevation of on the border between the cantons of Glarus (north) and Grisons (, south); its peak, however, is located about south of the border. It overlooks four valleys: the valley of the Biferten Glacier to the north-west, the Griess Glacier to the north-east, the to the south, which leads down to Trun, and the on the south-east. Glaciers cover both sides of the mountain, but are smaller on the southern side.

The mountain lies in the municipalities of Trun and Breil/Brigels, in the canton of Grisons, and Glarus Süd, in the canton of Glarus. The nearest settlements are the villages of Trun, to the south, and Linthal, to the north.