The Baïse (; ) is a long river in south-western France, left tributary of the Garonne. Its source is in the foothills of the Pyrenees, near Lannemezan. It flows north through the following départements and towns: Hautes-Pyrénées: Lannemezan, Trie-sur-Baïse Gers: Mirande, Castéra-Verduzan, Valence-sur-Baïse, Condom Lot-et-Garonne: Nérac, Lavardac
It flows into the Garonne near Aiguillon.
Tributaries Gélise (in Lavardac) Osse (in Nérac) Petite Baïse (in L'Isle-de-Noé)
References
External links River Baise guide Places, ports and moorings on the River Baise - french-waterways.com