Sämtisersee lake seen from Hoher Kasten mountain, Alpstein limestone range, Appenzell Alps, Switzerland.

View down to Sämtisersee lake from Hoher Kasten mountain in the Alpstein limestone range, Appenzell Alps, overlooking the Rhine in Eastern Switzerland, Europe. 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).