River mouth Gélise
42 m (138 ft) Length 120 km | Basin size 600 km (230 sq mi) Country France | |
 | ||
Main source Plateau de Lannemezan
350 m (1,150 ft) Progression Gélise→ Baïse→ Garonne→ Atlantic Ocean Discharge Average rate:
2.62 m/s (93 cu ft/s) | ||
The Osse is a 120 km (75 mi) long river in southwestern France, right tributary of the river Gélise. Its source is in the Hautes-Pyrénées, 2 km (1.2 mi) southeast of the village Bernadets-Debat, in the Plateau de Lannemezan. It joins the river Gélise 5 km (3.1 mi) southwest of the town Nérac.
Map of L'Osse, France
Its course crosses the following départements and communes:
References
Osse (river) Wikipedia(Text) CC BY-SA