Drôme (river)

The Drôme () is a river in southeastern France. It is a left tributary of the Rhône river. It gives its name to the French department of Drôme.
Geography.
The Drôme 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 at Saillans in the Drôme department.
Average monthly discharge (m3/s) at Saillans (108 years)
Course.
The Drôme starts in the "Col de Carabès", in the western foothills of the Alps, in the "commune" of La Bâtie-des-Fonds, (Drôme department), at an altitude of about . From here, the Drôme flows first to the northwest and then to the west.
The Drôme river flows within the Auvergne-Rhône-Alpes region, 2 departments and 37 "communes". It flows through the following "communes", among others:
Finally, it flows into the Rhône river in the "commune" of Loriol-sur-Drôme, on the border with the Ardèche department.
Main tributaries.
The main tributaries of the Drôme river are:
Left tributaries:
Right tributaries: