The Alpstein are a subgroup of the

Appenzell Alps The Appenzell Alps () are a mountain range in Switzerland on the northern edge of the Alps. They extend into the cantons of Appenzell Ausserrhoden, Appenzell Innerrhoden and St. Gallen and are bordered by the Glarus Alps to the west and the Rä ...

Switzerland Switzerland, officially the Swiss Confederation, is a landlocked country located in west-central Europe. It is bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east. Switzerland ...

. The Alpstein massif is in

Appenzell Innerrhoden Canton of Appenzell Innerrhoden ( ; ; ; ), in English sometimes Appenzell Inner-Rhodes, is one of the 26 cantons forming the Swiss Confederation. It is composed of five districts. The seat of the government and parliament is Appenzell. It is ...

Appenzell Ausserrhoden Canton of Appenzell Ausserrhoden ( ; ; ; ), in English sometimes Appenzell Outer Rhodes, is one of the Canton of Switzerland, 26 cantons forming the Switzerland, Swiss Confederation. It is composed of twenty municipalities. The seat of the gove ...

and St. Gallen. Despite it being rather low when compared to other Alpine peaks – the highest mountain is the Säntis at 2502 metres – the Alpstein, due to their northern "outpost" position only a short distance from

Lake Constance Lake Constance (, ) refers to three bodies of water on the Rhine at the northern foot of the Alps: Upper Lake Constance (''Obersee''), Lower Lake Constance (''Untersee''), and a connecting stretch of the Rhine, called the Seerhein (). These ...

(nearly 30 km) are relatively tall when compared to the surrounding area. The range also includes the Altenalp Türm as the northernmost summit above 2,000 metres in Switzerland.

Description

Geologically, the Alpstein massif is different from the predominantly

granitic A granitoid is a broad term referring to a diverse group of coarse-grained igneous rocks that are widely distributed across the globe, covering a significant portion of the Earth's exposed surface and constituting a large part of the continental ...

central

Alps The Alps () are some of the highest and most extensive mountain ranges in Europe, stretching approximately across eight Alpine countries (from west to east): Monaco, France, Switzerland, Italy, Liechtenstein, Germany, Austria and Slovenia. ...

. Alpstein are predominantly limestone

massif A massif () is a principal mountain mass, such as a compact portion of a mountain range, containing one or more summits (e.g. France's Massif Central). In mountaineering literature, ''massif'' is frequently used to denote the main mass of an ...

and thus represents a kind of western continuation of the eastern ranges, running between

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

and

Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...

. Because of erosions, numerous cracks, caves and sinkholes which prevail in the limestone, two of the three lakes have no surface drainage: the water of the Fälensees flows by the mountain ridge southwest into the

Rhine The Rhine ( ) is one of the List of rivers of Europe, major rivers in Europe. The river begins in the Swiss canton of Graubünden in the southeastern Swiss Alps. It forms part of the Swiss-Liechtenstein border, then part of the Austria–Swit ...

. Morphologically, there are three main tectonic folds running from southwest to northeast. Only the Lisengrat, the connection between the two peaks Säntis Altman runs perpendicular to the main ridge. Between these mountain ranges are embedded in

External links

Interactive spherical panorama tour through the Alpstein
{{Authority control Mountain ranges of Switzerland Appenzell Alps