The Garonne is a river, the headwaters are in the Pyrenees Mountains bordering France and Spain. It combines with the River La Dordogne at the Gironde Estuary which empties into the Bay of Biscay on the southwestern coast of France northwest of Bordeaux.
This was the scene of the cutting out expedition of the Papillon.
Coordinates: 45°2'29"N 0°36'24"W
- Garonne at Wikipedia