The Osse () 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 southwestern

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 ...

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

Gélise The Gélise () is a tributary of the river Baïse in Gascony, southwestern France. It is long. Etymology The name Gélise comes from the Aquitanian hydronymic root ''Jel'', meaning "watercourse." Geography The Gélise originates in the Ge ...

. Its source is in the

Hautes-Pyrénées Hautes-Pyrénées (; Gascon/Occitan: ''Nauts Pirenèus / Hauts Pirenèus'' awts piɾeˈnɛʊs es, Altos Pirineos; ca, Alts Pirineus alts piɾiˈneʊs English: Upper Pyrenees) is a department in the region of Occitania, southwestern France. ...

, southeast of the

village A village is a clustered human settlement or community, larger than a hamlet but smaller than a town (although the word is often used to describe both hamlets and smaller towns), with a population typically ranging from a few hundred to ...

Bernadets-Debat, in the

Plateau de Lannemezan The plateau de Lannemezan () is a plateau in Hautes-Pyrénées Departments of France, département, in Pyrenees foothills, not far from Spain, southwestern France, with about 10,000 inhabitants. Its name is due to the city Lannemezan, which lies in ...

. It joins the river Gélise southwest of the town

Nérac Nérac (; oc, Nerac, ) is a commune in the Lot-et-Garonne department, Southwestern France. The composer and organist Louis Raffy was born in Nérac, as was the former Arsenal and Bordeaux footballer Marouane Chamakh, as was Admiral Francois D ...

. Its course crosses the following

département In the administrative divisions of France, the department (french: département, ) is one of the three levels of government under the national level ("territorial collectivity, territorial collectivities"), between the regions of France, admin ...

s and

commune A commune is an alternative term for an intentional community. Commune or comună or comune or other derivations may also refer to: Administrative-territorial entities * Commune (administrative division), a municipality or township ** Communes of ...

s: *

: Bernadets-Debat *

Gers Gers (; oc, Gers or , ) is a department in the region of Occitania, Southwestern France. Named after the Gers River, its inhabitants are called the ''Gersois'' and ''Gersoises'' in French. In 2019, it had a population of 191,377.

Montesquiou Montesquiou (; Gascon: ''Montesquiu'') is a commune in the Gers department, Southwestern France. It is the historic seat of the Montesquiou family The de Montesquiou family is an old French noble family from Montesquiou in Gascony whose doc ...

Saint-Arailles Saint-Arailles (; oc, Senta Aralha) is a Communes of France, commune in the Gers Departments of France, department in southwestern France. Geography Population See also *Communes of the Gers department References

Communes of G ...

Vic-Fezensac Vic-Fezensac (; Gascon: ''Vic en Fesensac''; Occitan: ''Vic de Fesensac'') is a commune in the Gers department in the Occitanie region of Southwestern France. In 2017, it had a population of 3,474. Geography Localisation Vic-Fezensa ...

Mouchan Mouchan (; oc, Moishan) is a commune in the Gers department in southwestern France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territor ...

Lot-et-Garonne Lot-et-Garonne (, oc, Òlt e Garona) is a department in the Nouvelle-Aquitaine region of Southwestern France. Named after the rivers Lot and Garonne, it had a population of 331,271 in 2019.Fréchou Fréchou (; oc, Lo Hrèisho) is a commune in the Lot-et-Garonne department in south-western France. The town is known for being the site of the pseudo-apparitions that led to the founding of the dissident Traditionalist Catholic schismatic sect ...

Moncrabeau Moncrabeau (; oc, Montcrabèu) is a commune in the Lot-et-Garonne department in south-western France. Moncrabeau is located on the Petite Baïse river, close to the D930. See also *Communes of the Lot-et-Garonne department The following is a ...

, Lannes

References

Rivers of France Rivers of Occitania (administrative region) Rivers of Nouvelle-Aquitaine Rivers of Hautes-Pyrénées Rivers of Gers Rivers of Lot-et-Garonne {{France-river-stub