The Gesse (; ) is a long river in the Hautes-Pyrénées, Haute-Garonne and Gers départements, southwestern France. 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, Péguilhan, Lunax, Nénigan, Saint-Ferréol-de-Comminges, Puymaurin, Molas
- Gers: Tournan
- Haute-Garonne: Boissède
- Gers: Cadeillan, Sabaillan, Sauveterre, Espaon,
References