, image = Averser Rhein im Ferreratal 1827.jpg , image_size = , image_caption = The Avers Rhine in Val Ferrera valley, lithograph from 1827 , subdivision_type2 = Canton , subdivision_name2 = Graubünden,

Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...

, subdivision_type1 = Country , subdivision_name1 =

, length = , progression = , basin_size = , discharge1_avg = , source1_location = Confluence of Bergalgabach and Jufer Rhine , source1_coordinates= , source1_elevation = , mouth_location = Confluence with

Hinterrhein Hinterrhein can refer to: * Hinterrhein (river), a tributary of the Rhine * Hinterrhein, Switzerland, a municipality * Hinterrhein (district), the district including that Swiss municipality {{Disambig ...

Andeer Andeer () is a municipality in the Viamala Region in the Swiss canton of Graubünden. In 2009 Clugin and Pignia merged into Andeer.tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

of the Hinterrhein/Rein Posteriur in the

Swiss Swiss may refer to: * the adjectival form of Switzerland * Swiss people Places * Swiss, Missouri * Swiss, North Carolina *Swiss, West Virginia * Swiss, Wisconsin Other uses *Swiss-system tournament, in various games and sports *Swiss Internation ...

canton of Graubünden.

Course

It rises in Avers at the confluence of the Bergalgabach with the slightly smaller Jufer Rhine. The Jufer Rhine rises in, and is named after,

Juf Juf () is a village in the municipality of Avers in the canton of Grisons, Switzerland. At above sea level, it is historically the highest village with permanent residents in Europe, as well as one of its coldest localities. As of 2016, Juf had ...

, the highest permanent settlement in Europe, near the border with Albula district. From this confluence, the Avers Rhine descends through a deep gorge, spanned by the high Lezi Bridge. When it reaches the valley floor, it meets the slightly smaller Madrish Rhine. After a few kilometers, it is joined from the left by the ''Reno di Lei'', which flows almost entirely on Italian soil. The ''Lago di Lei'' reservoir is also on Italian soil, except for the dam which creates it, which was erected on Swiss territory. The Avers Rhine continues its way through the

Val Ferrera The Ferrera Valley ( rm, Val Ferrera, german: Ferreratal) is a valley in the Swiss canton of Graubünden between Schams and Avers. It is 10 km long and is drained by the Avers Rhine. The only villages in the valley are Innerferrera and Aus ...

valley, which contains two populated places. The upper village is

Innerferrera Innerferrera ( rm, Calantgil) is a village in the district of Hinterrhein in the Swiss canton of Graubünden. Previously an independent municipality, it merged on January 1, 2008 with neighboring Ausserferrera to form the municipality of Ferrer ...

( rm, Calantgil), where the river is dammed, forming the Innerferrera reservoir since 1961. Below

Ausserferrera Ausserferrera ( rm, Farera) is a village in Hinterrhein District in the Swiss Canton of Graubünden. An independent municipality before, it merged on January 1, 2008 with neighboring Innerferrera to form the municipality of Ferrera. History Ausse ...

( rm, Farera), the

glacial valley U-shaped valleys, also called trough valleys or glacial troughs, are formed by the process of glaciation. They are characteristic of mountain glaciation in particular. They have a characteristic U shape in cross-section, with steep, straight s ...

is flanked by steep rocky slopes. The Avers Rhine then flows into the Hinterrhein in the

Rofla Gorge The Rofla Gorge ( rm, Puntcrap, german: Roflaschlucht) is an ancient and narrow section of the river Hinterrhein/Rein Posteriur between Sufers and Andeer in the canton of Graubünden. This narrow gorge was another obstacle on the approach to the ...

above

Andeer Andeer () is a municipality in the Viamala Region in the Swiss canton of Graubünden. In 2009 Clugin and Pignia merged into Andeer.cul de sac A dead end, also known as a cul-de-sac (, from French for 'bag-bottom'), no through road or no exit road, is a street with only one inlet or outlet. The term "dead end" is understood in all varieties of English, but the official terminology ...

Tributaries

Left tributaries

* Bergalgabach (largest headwater of the Avers Rhine) * Madrish Rhine ( rm, Ägua da Madris) * Reno di Lei * Ual da Niemet Landeskarte der Schweiz 1:25000

Right tributaries

* Jufer Rhine * Maleggabach * Ava da Starlera * Ava da Mulegn * Aua Granda

Footnotes

Rivers of Switzerland Rivers of Graubünden Avers {{Switzerland-river-stub