Truyère

The Truyère () is a river in southwestern France. It is the main tributary of the Lot river.
Geography.
The Truyère river has a length of and a drainage basin with an area of .
Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is 69.5 cubic metres per second at Entraygues-sur-Truyèret.
Course.
The Truyère starts in the Margeride mountains, south-western Massif Central, north of Mende, in the "commune" of La Villedieu (Lozère department), at an altitude of about .
The Truyère flows to the west, in general, and passes through 2 regions, 3 departments and 44 "communes":
Finally, it flows, as a right tributary, into the Lot river, in Entraygues-sur-Truyèret, in the Aveyron department, at of altitude.
The Garabit Viaduct is a bridge over the Truyère near Ruynes-en-Margeride that was built by Gustave Eiffel.
There are several dams over the river to produce hydroelectricity.
Main tributaries.
The main tributaries of the Truyère river are:
Left tributaries:
Right tributaries: