The Ource () is a long

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...

in northeastern

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

, a

right tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

of the river

Seine ) , mouth_location = Le Havre/Honfleur , mouth_coordinates = , mouth_elevation = , progression = , river_system = Seine basin , basin_size = , tributaries_left = Yonne, Loing, Eure, Risle , tributarie ...

. Its source is in the

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.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, ...

, 2 km south of

Poinson-lès-Grancey Poinson-lès-Grancey (, literally ''Poinson near Grancey'') is a commune in the Haute-Marne department in north-eastern France. Geography The Ource flows northeastward through the southern part of the commune, then forms its north-eastern border ...

. It flows generally northwest. It joins the Seine at Bar-sur-Seine. Its course crosses the following departments and communes: *

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.Poinson-lès-Grancey Poinson-lès-Grancey (, literally ''Poinson near Grancey'') is a commune in the Haute-Marne department in north-eastern France. Geography The Ource flows northeastward through the southern part of the commune, then forms its north-eastern border ...

Côte-d'Or Côte-d'Or (; literally, "Golden Slope") is a département in the Bourgogne-Franche-Comté region of Northeastern France. In 2019, it had a population of 534,124.Recey-sur-Ource Recey-sur-Ource () is a commune in the Côte-d'Or department in eastern France. Geography The village lies in the middle of the commune, on the right bank of the Ource, which flows northwest through the middle of the commune. Population Int ...

Brion-sur-Ource Brion-sur-Ource (, literally ''Brion on Ource'') is a commune in the Côte-d'Or department in eastern France. Geography The Ource forms part of the commune's western border, then flows north-northeast through the northern part of the commune, ...

Autricourt Autricourt () is a commune in the Côte-d'Or department in the Bourgogne-Franche-Comté region of eastern France. The inhabitants of the commune are known as ''Astricurtois'' or ''Astricurtoises''. Geography Autricourt is located some 55 ...

Grancey-sur-Ource Grancey-sur-Ource (, literally ''Grancey on Ource'') is a commune in the Côte-d'Or department in eastern France. Geography The village lies on the left bank of the Ource, which flows northwest through the northeastern part of the commune. P ...

* Aube:

Essoyes Essoyes () is a commune in the Aube department in north-central France. Impressionist artist Pierre-Auguste Renoir had a house in the town. The village, hometown of his wife Aline and model and governess of his children Gabrielle Renard, is ...

Celles-sur-Ource Celles-sur-Ource (, literally ''Celles on Ource'') is a commune in the Aube department in north-central France. Geography The village lies in the northwestern part of the commune, on the left bank of the Ource, which flows northwest through t ...

, Bar-sur-Seine

References

Rivers of France Rivers of Grand Est Rivers of Bourgogne-Franche-Comté Rivers of Haute-Marne Rivers of Côte-d'Or Rivers of Aube {{France-river-stub