The Hochpustertal (High Puster Valley, ) is the easternmost part of the

Puster Valley The Puster Valley ( ; , ) is one of the largest longitudinal valleys in the Alps that runs in an east-west direction between Lienz in East Tyrol, Austria, and Mühlbach near Brixen in South Tyrol, Italy. The South Tyrolean municipalities of th ...

, stretching from the watershed of the

Rienz The Rienz (; ) is a river in South Tyrol, Italy. Its source is located at 2,180 m of altitude, in the Dolomites mountains, south of Toblach: near Toblach it enters in the Puster Valley, and, after , it meets the Eisack river in the city of Brixe ...

and

Drava The Drava or Drave (, ; ; ; ; ), historically known as the Dravis or Dravus, is a river in southern Central Europe.

rivers at Niederdorf in

South Tyrol South Tyrol ( , ; ; ), officially the Autonomous Province of Bolzano – South Tyrol, is an autonomous administrative division, autonomous provinces of Italy, province in northern Italy. Together with Trentino, South Tyrol forms the autonomo ...

down the Drava to

Lienz Lienz (; Southern Bavarian: ''Lianz'') is a medieval town in the Austrian state of Tyrol. It is the administrative centre of the Lienz district, which covers all of East Tyrol. The municipality also includes the cadastral subdivision of ''Pat ...

East Tyrol East Tyrol, occasionally East Tirol (), is an exclave of the Austrian federal state of Tyrol, separated from North Tyrol by parts of Salzburg State and parts of Italian South Tyrol (''Südtirol'', ). It is coterminous with the administrative ...

, Austria. The area includes the

Sexten Sexten (; ) is a ''comune'' and a village in South Tyrol in northern Italy. The village is famous as a summer and winter sport resort in the mountains. Linguistic distribution According to the 2024 census, 92.37% of the population speak Germa ...

and Prags side valleys. According to the 1915

London Pact The Treaty of London (; ) or the Pact of London (, ) was a secret agreement concluded on 26 April 1915 by the United Kingdom, France, and Russia on the one part, and Italy on the other, in order to entice the last to enter the Great War on ...

and the 1919 Treaty of Saint-Germain-en-Laye, the Italian-Austrian border was drawn between

Innichen Innichen (; ; , all tied to Saint Candidus) is a municipality and a village in South Tyrol in northern Italy. It is located in the Puster Valley on the Drava River, on Italy's border with Austria. It hosts Italy’s International Snow Sculptur ...

(San Candido) and Sillian. As the Rienz-Drava watershed near

Toblach Toblach (; ) is a ''comune''/''Gemeinde'' (municipality) in South Tyrol in Northern Italy, located in the Puster Valley about northeast of the city of Bolzano, on the border with Austria. Geography As of November 30, 2010, it had a population ...

(called ''Toblacher Feld'' or ''Sella di Dobbiaco'') is a rarely notable transition, the natural western boundaries of the Hochpustertal vary. Usually, in the valley the following municipalities are included: * Niederdorf,

, Prags,

, and

in South Tyrol, * Sillian, Strassen,

Abfaltersbach Abfaltersbach is a municipality in the district of Lienz in the 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, ...

, Assling, and Leisach in East Tyrol.

References

Austrian Alpenverein

Alpenverein South Tyrol
Valleys of Tyrol (federal state) Valleys of South Tyrol {{Tyrol-geo-stub