The Colmont () is a long

river A river is a natural flowing watercourse, usually freshwater Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the ...

in western

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan ar ...

located in the departments of

Orne Orne (; nrf, Ôrne or ) is a département in the northwest of France, named after the river Orne. It had a population of 279,942 in 2019.Manche Manche (, ) is a coastal French département in Normandy, on the English Channel, which is known as ''La Manche'', literally "the sleeve", in French. It had a population of 495,045 in 2019.Normandy Normandy (; french: link=no, Normandie ; nrf, Normaundie, Nouormandie ; from Old French , plural of ''Normant'', originally from the word for "northman" in several Scandinavian languages) is a geographical and cultural region in Northwestern ...

) and

Mayenne Mayenne () is a landlocked department in northwest France named after the river Mayenne. Mayenne is part of the administrative region of Pays de la Loire and is surrounded by the departments of Manche, Orne, Sarthe, Maine-et-Loire, and Ille-e ...

(

Pays de la Loire Pays de la Loire (; ; br, Broioù al Liger) is one of the 18 regions of France, in the west of the mainland. It was created in the 1950s to serve as a zone of influence for its capital, Nantes, one of a handful of "balancing metropolises" (). ...

). It is a tributary of the river

on the right side, and so is a sub-tributary of the

Loire The Loire (, also ; ; oc, Léger, ; la, Liger) is the longest river in France and the 171st longest in the world. With a length of , it drains , more than a fifth of France's land, while its average discharge is only half that of the Rhôn ...

by Mayenne and Maine. It flows into the Mayenne near

Saint-Loup-du-Gast Saint-Loup-du-Gast is a commune in the Mayenne department Department may refer to: * Departmentalization, division of a larger organization into parts with specific responsibility Government and military *Department (administrative division) ...

. Its longest tributary is the Ourde (11 km). The largest town on the Colmont is

Gorron Gorron () is a commune in the Mayenne department in north-western France. It has a twin town in the UK, Hayling Island, as well as a twin town in Germany, Schwaikheim. There are a range of shops and services to be found in Gorron. The river C ...

References

Rivers of France Rivers of Manche Rivers of Mayenne Rivers of Orne Rivers of Normandy Rivers of Pays de la Loire {{France-river-stub