Piz Sardona is a mountain

Mountain

Image:Himalaya_annotated.jpg|thumb|right|The Himalayan mountain range with Mount Everestrect 58 14 160 49 Chomo Lonzorect 200 28 335 52 Makalurect 378 24 566 45 Mount Everestrect 188 581 920 656 Tibetan Plateaurect 250 406 340 427 Rong River...

 in the Glarus Alps

Glarus Alps

The Glarus Alps are a mountain range in central Switzerland. They extend from the Oberalp Pass to the Klausen Pass, and are bordered by the Urner Alps to the west, the Lepontine Alps to the south and the Appenzell Alps to the northeast...

, located on the border between the cantons Glarus

Canton of Glarus

The Canton of Glarus is a canton in east central Switzerland. The capital is Glarus.The population speaks a variety of Alemannic German.The majority of the population identifies as Christian, about evenly split between the Protestant and Catholic confessions.-History:According to legend, the...

 and St. Gallen

Canton of St. Gallen

The Canton of St. Gallen is a canton of Switzerland. St. Gallen is located in the north east of Switzerland. It covers an area of 2,026 km², and has a population of . , the population included 97,461 foreigners, or about 20.9% of the total population. The capital is St. Gallen. Spelling...

. The 3,056 metres high mountain overlooks the valleys of Elm

Elm, Switzerland

-Culture:In 1981, the Wakker Prize was awarded to Elm for the development and preservation of its architectural heritage....

 (Glarus) and Calfeisen (St. Gallen). Less than one kilometre south of the summit lies the tripoint

Tripoint

A tripoint, or trijunction , is a geographical point at which the borders of three countries or subnational entities meet....

 (3,000 metres) between the cantons of Glarus, St. Gallen and Graubünden

Graubünden

Graubünden or Grisons is the largest and easternmost canton of Switzerland. The canton shares borders with the cantons of Ticino, Uri, Glarus and St. Gallen and international borders with Italy, Austria and Liechtenstein...

. The summit itself is the northernmost point above 3,000 metres in Switzerland.

The massif is covered by a few small glaciers, the Sardonagletscher lying near the summit on the east side.

Piz Sardona is located within the Glarus thrust

Glarus thrust

The Glarus thrust is a major thrust fault in the Alps of eastern Switzerland. Along the thrust the Helvetic nappes were thrusted more than 100 km to the north over the external Aarmassif and Infrahelvetic complex...

, a geologic UNESCO world heritage site, named Swiss Tectonic Arena Sardona.