Saumont dam, near Aosta
|Origin||Grandes Murailles glacier|
|Source elevation||3,000 m|
One branch of the river is formed by the Tsa de Tsan glacier at an eleveation of c. 2,700m; a second by the Grandes Murailles glacier at c. 3,000 m. The river is then barred to form the Lago di Place-Moulin reservoir, after which it passes through the communes of Bionaz, Oyace, Valpelline, Roisan and finally Aosta where it joins the Dora Baltea.
The principal tributaries from the left are:
- Rû Verdonaz
and from the right:
- This article began as a translation from its counterpart in the Italian Wikipedia, specifically from this version