The Plessur is a river, long, and a right

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 drainag ...

of the

Rhine The Rhine ; french: Rhin ; nl, Rijn ; wa, Rén ; li, Rien; rm, label=Sursilvan, Rein, rm, label=Sutsilvan and Surmiran, Ragn, rm, label=Rumantsch Grischun, Vallader and Puter, Rain; it, Reno ; gsw, Rhi(n), including in Alsatian dialect, Al ...

running through the

Swiss canton The 26 cantons of Switzerland (german: Kanton; french: canton ; it, cantone; Sursilvan and Surmiran: ; Vallader and Puter: ; Sutsilvan: ; Rumantsch Grischun: ) are the member states of the Swiss Confederation. The nucleus of the Swiss ...

of Graubünden. Its head is near

Arosa , neighboring_municipalities= Alvaneu, Davos, Langwies, Lantsch/Lenz, Molinis, Peist, Schmitten, Tschiertschen, Vaz/Obervaz, Wiesen , twintowns = Fukumitsu (Japan) Arosa is a town and a municipality in the Plessur Region in the canton ...

in the Plessur Range. It then flows through the Schanfigg valley before emptying into the Rhine at

Chur , neighboring_municipalities= Arosa, Churwalden, Tschiertschen-Praden, Domat/Ems, Felsberg, Malix, Trimmis, Untervaz, Pfäfers , twintowns = Bad Homburg (Germany), Cabourg (France), Mayrhofen (Austria), Mondorf-les-Bains (Lux ...

. The Langwieser Viaduct, an early reinforced concrete railway bridge constructed in 1914, spans the Plessur near

Langwies Langwies is a former municipality in the district of Plessur in the canton of Graubünden in Switzerland. On 1 January 2013 the former municipalities of Langwies, Calfreisen, Castiel, Lüen, Molinis, Peist and St. Peter-Pagig merged into the ...

. Its main tributaries include the Rabiosa, the Welschtobelbach, Sapünerbach and Fondeierbach.

External links

Plessur
at Historischen Lexikon der Schweiz Rivers of Switzerland Rivers of Graubünden {{Switzerland-river-stub