The Plessur is a river, 33 km (21 mi) long, and a right tributary of the Rhine running through the Swiss canton of Graubünden. Its head is near Arosa in the Plessur Range. It then flows through the Schanfigg valley before emptying into the Rhine at Chur.
The Plessur above Chur.
|⁃ elevation||2,400 m (7,900 ft)|
|560 m (1,840 ft)|
|Length||33.1 km (20.6 mi)|
|Progression||Rhine→ North Sea|