The Rein da Tuma is a river in Switzerland

Switzerland

Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

, in the Canton of Graubünden. It rises east of the Rossbodenstock

Rossbodenstock

Rossbodenstock is a mountain peak in the Saint-Gotthard Massif south of Oberalp Pass. It is 2836 metres high; its peak is located on the border between the Cantons of Uri and Graubünden, which follows the ridge from north to south....

 with two or three mountain streams, that flow across the Tuma Alp into the Lake Toma

Tomasee

Tomasee is a lake at the northern face of Piz Badus, above the village of Tschamut in Grisons, Switzerland...

 (German: Tomasee, Romansh

Romansh

Romansh is one of the four national languages of Switzerland, along with German, Italian and French...

: Lai da Tuma). Before they reach the lake, they flow through a plane and form small meanders. The Rein da Tuma flows out of Lake Toma on the north east and flows as Anterior Rhine past the village of Tschamut in the municipality of Tujetsch

Tujetsch

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