Hikers descend Hoher Kasten mountain, Alpstein limestone range, Appenzell Alps, Switzerland.

Hikers traverse a ridge of Hoher Kasten mountain in the Alpstein limestone range, Appenzell Alps, Switzerland. Hoher Kasten (1795 m) is on the border between the cantons of Appenzell Innerrhoden and St. Gallen. Appenzell Innerrhoden is Switzerland's most traditional and smallest-population canton (second smallest by area). For licensing options, please inquire.