Ecosystem Reference
Ecosystem Rhône
Type River (basin)
Salinity freshwater
Other Names
France and Switzerland 47° N 43° S - 4° W 9° E
Location Map
Size Ref
River Length Area Drainage Area
Average Depth Max Depth Ref
100 Meters Depth
Description Rhône (river), river of southeastern France, with a length of 813 km (505 mi). The principal river of the region, it rises in the Rhône Glacier in the Swiss Alps and flows generally southwest across southern Switzerland, entering the eastern end of Lake Geneva near Montreux, and leaving the western end of the lake at Geneva. It then follows a twisting course through the Jura Mountains of eastern France. At Lyon, where it is joined by the Saône River, the Rhône turns south and flows to the Gulf of Lion in the Mediterranean Sea. On this last section of its course the river flows through a valley that separates the uplands of the Massif Central on the west from the French Alps on the east. It forms a marshy delta at its mouth, part of which is known as the Camargue. Besides the Saône, other major tributaries include the Isère and Durance. Navigation on parts of the upper Rhône is difficult because of the river's generally steep gradient and its tendency to form sand bars. South of Lyon a series of dams and canals make the Rhône navigable to the port of Marseille, which lies on the Mediterranean Sea to the east of the river's mouth. To the north other canals and waterways connect the Rhône with the Rhine, Seine, and Loire rivers. Five nuclear power plants are located on the banks of the Rhône. The river is also an important source of hydroelectric power (Ref. 53495)
Comments on faunal list
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FishBase Literature
Species Families Species Families Reference
45 23
Bailly, Nicolas on 09.04.03
Modified by Torres, Armi G. on 05.27.21
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