德迪奥斯河

The Osse is a 120 km long river in southwestern France, right tributary of the river Gélise. Its source is in the Hautes-Pyrénées, 2 km southeast of the village Bernadets-Debat, in the Plateau de Lannemezan. It joins the river Gélise 5 km southwest of the town Nérac.
  • Country: France
  • Length: 120.3 km (74.8 mi)
  • Basin size: 600 km² (230 sq mi)
  • Progression: Gélise→ Baïse→ Garonne→ Gironde estuary→ Atlantic Ocean
Data from: en.wikipedia.org