River Sarthe

Sarthe
The Sarthe between Morannes and Chemiré-sur-Sarthe
Native name	La Sarthe
Country	France
Basin features
Main source	Perche 250 m (820 ft)
River mouth	Maine 47°29′35″N 0°32′34″W / 47.49306°N 0.54278°W / 47.49306; -0.54278 (Maine-Sarthe)Coordinates: 47°29′35″N 0°32′34″W / 47.49306°N 0.54278°W / 47.49306; -0.54278 (Maine-Sarthe)
Progression	Maine→ Loire→ Atlantic Ocean
Basin size	7,864 km2 (3,036 sq mi)*
Physical characteristics
Length	313 km (194 mi)
Discharge	Average rate: 80 m3/s (2,800 cu ft/s)*
Notes	*excluding Loir

The Sarthe is a river in western France. Together with the river Mayenne it forms the river Maine, which is a tributary to the river Loire.

Its source is in the Orne département, near Moulins-la-Marche. It flows generally southwest, through the following départements and towns:

A few kilometres after its confluence with the river Loir, it joins the Mayenne, north of the city Angers. Its two main tributaries are the Èvre and the Huisne.