This is a list of mountains of the canton of Appenzell Ausserrhoden in Eastern Switzerland. The canton is located in the Appenzell Alps. The Säntis, which marks the tripoint with the cantons of Appenzell Innerrhoden and St. Gallen, is the most elevated and most prominent mountain of Appenzell Ausserrhoden. The canton's highest summits are all located in the Alpstein massif.
All mountain heights and prominences on the list are from the largest-scale maps available.1:25,000 Swisstopo topographic maps.
Topographic prominence of 150 metres or more This list only includes significant summits with a topographic prominence of at least .Christian Thöni, Directory of the mountains of Switzerland
MountainHeight (m) Drop (m)CoordinatesMunicipalityFirstThe three main sources for first ascent data are:For the Western Alps; W.A.B. Coolidge, The Alps in nature and history, Methuen & Co, London, 1908.For the Central Alps; Gottlieb Studer, Über Eis und Schnee: Die höchsten Gipfel der Schweiz und die Geschichte ihrer Besteigung, Volumes 1-3, Schmid & Francke, Bern, 1896-1899.For the Eastern Alps: Die Erschließung der Ostalpen, Volumes 1-3, German and Austrian Alpine Club, Berlin, 1894.Given are the years for the first recorded ascents. In many cases local people or surveyors made earlier ascents. In particular, chamois and ibex hunters are expected to have reached many summits. Years in italics indicate that it is known that an earlier ascent was made, for example by the presence of artifacts on top or the summit's prior use as a triangulation point.ascentNotesSäntis25022015Hundwil1680Highest peak of the Alpstein. Summit is the tripoint of the borders with the cantons of Appenzell Innerrhoden and St. Gallen (Toggenburg)Hochalp1530260UrnäschHundwiler Höhi1306406HundwilSummit located on the border with the canton of Appenzell Innerrhoden (Gonten)Gäbris1251367Gais
Topographic prominence of less than 150 metres
MountainHeight (m) Drop (m)CoordinatesMunicipalityFirst ascentNotesGrenzchopf2193108HundwilPeak of the Alpstein. Summit located on the border with the canton of St. Gallen (Toggenburg)
See also List of mountains of Switzerland Swiss Alps
References
External links Mountain hikes in Appenzell Outer Rhodes