Definition of garonne river in English English dictionary
ancient Garumna River, southwestern France. The most important river of southwestern France, it is 357 mi (575 km) long. Formed by two glacial headstreams in the central Spanish Pyrenees, it flows north through mountain passes and descends to flow east across France. It continues to Toulouse and then to Bordeaux, where it is 1,800 ft (550 m) across. Flowing by the wine-growing Entre-deux-Mers peninsula, it unites with the Dordogne River 16 mi (26 km) north of Bordeaux to form the vast Gironde estuary