The Rognon () is a 73 km 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 ...

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 ...

, right tributary of the Marne. Its source is near the village

Is-en-Bassigny Is-en-Bassigny () is a commune in the Haute-Marne department, northeastern France. See also *Communes of the Haute-Marne department The following is a list of the 426 communes in the French department of Haute-Marne. The communes cooperate i ...

. It flows generally northwest, through the

department Department may refer to: * Departmentalization, division of a larger organization into parts with specific responsibility Government and military *Department (administrative division), a geographical and administrative division within a country, ...

Haute-Marne Haute-Marne (; English: Upper Marne) is a department in the Grand Est region of Northeastern France. Named after the river Marne, its prefecture is Chaumont. In 2019, it had a population of 172,512.Mussey-sur-Marne Mussey-sur-Marne (, literally ''Mussey on Marne'') is a commune in the Haute-Marne department in north-eastern France. See also *Communes of the Haute-Marne department The following is a list of the 426 communes in the French department of Ha ...

, south of

Joinville Joinville () is the largest city in Santa Catarina, in the Southern Region of Brazil. It is the third largest municipality in the southern region of Brazil, after the much larger state capitals of Curitiba and Porto Alegre. Joinville is also a ...

. Its largest tributary is the Sueurre.

References

Rivers of France Rivers of Grand Est Rivers of Haute-Marne {{France-river-stub