The Gesse (; ) is a long

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

in the

Hautes-Pyrénées Hautes-Pyrénées (; Gascon/ Occitan: ''Nauts Pirenèus / Hauts Pirenèus'' awts piɾeˈnɛʊs ; alts piɾiˈneʊs ) is a department in the region of Occitania, southwestern France. The department is bordered by Pyrénées-Atlantiques to t ...

, Haute-Garonne and Gers'' départements'', southwestern

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

. Its source is at Arné, on the plateau de Lannemezan. It flows generally northeast. It is a left tributary of the Save into which it flows at Espaon.

''Départements'' and communes along its course

This list is ordered from source to mouth: *Hautes-Pyrénées: Arné *Haute-Garonne: Boudrac *Hautes-Pyrénées: Bazordan *Haute-Garonne: Saint-Loup-en-Comminges, Nizan-Gesse, Gensac-de-Boulogne, Blajan,

Boulogne-sur-Gesse Boulogne-sur-Gesse (, literally ''Boulogne on Gesse''; ) is a commune of the Haute-Garonne department in southwestern France. Geography The river Gesse forms most of the commune's eastern border, while the Gimone The Gimone (; ) is a rive ...

Péguilhan Péguilhan is a commune in the Haute-Garonne department in southwestern France in the historical region of Gascony. On 1 January 2017, the former commune of Lunax was merged into Péguilhan. Péguilhan has far-reaching views towards the Pyrene ...

Lunax Lunax ( Gascon: ''Lunats'' or ''Lunacs'') is a former commune in the Haute-Garonne department in southwestern France. On 1 January 2017, it was merged into the commune Péguilhan.Nénigan, Saint-Ferréol-de-Comminges, Puymaurin, Molas *Gers: Tournan *Haute-Garonne: Boissède *Gers: Cadeillan, Sabaillan, Sauveterre, Espaon,

References

Rivers of France Rivers of Haute-Garonne Rivers of Gers Rivers of Hautes-Pyrénées Rivers of Occitania (administrative region) {{France-river-stub