![]() ![]() The third theory holds that the river rises on the slopes of Pic Aneto at 2,300 metres (7,500 ft) above sea level and flows by way of a sinkhole known as the Forau de Aigualluts ( 42☄0′00″N 0☄0′01″E / 42.6666°N 0.6669☎ / 42.6666 0.6669) through the limestone of the Tuca Blanca de Pomèro and a resurgence in the Val dera Artiga above the Aran Valley in the Spanish Pyrenees. The Ratera-Saboredo cirque is considered by many researchers to be the origin of the Garonne. At the confluence, the Ruda-Garona carries 2.6 cubic metres per second (92 cu ft/s) of water. The Ratera-Saboredo cirque is the head of the upper Garonne valley, and its upper lake at 2,600 metres (8,500 ft) above sea level is the origin of the Ruda-Garona river, running for 16 kilometres (9.9 mi) to the confluence with the Beret-Garona brook and another 38 kilometres (24 mi) to the French border at Pont del Rei, 54 kilometres (34 mi) in total. The river runs for another 38 kilometres (24 mi) to the French border at Pont de Rei, 40.5 kilometres (25.2 mi) in total. From this point a brook (called the Beret-Garona) runs for 2.5 kilometres (1.6 mi) to the bed of the main upper Garonne valley. The Uelh deth Garona at 1,862 metres (6,109 ft) above sea level has been traditionally considered as the source of the Garonne. ![]() The Main Lake of Saboredo and Pic de Saboredo, the head of the Garonne valley The water from Barrancs and Escaleta ravines disappears into the ground at Forau de Aigualluts. In Vielha the Garonne turns westward (out of sight), and after 12 kilometres (7 mi) receives water from the Joèu (Pic Aneto). ![]() Geography Sources 150º Panorama of the Aran Valley from the Beret Plateau, showing the Ruda-Garona and Beret-Garona confluence. The name derives from Garumna, a Latinized version of the Aquitanian name meaning "stony river" ("kar" relating to "stone" and "-ona" relating to "river"). Umayyad and Aquitanian forces fought the Battle of the River Garonne in 732 beside the river near present-day Bordeaux. Its basin area is 56,000 km 2 (22,000 sq mi), which increases to 84,811 km 2 (32,746 sq mi) if the Dordogne River, which flows from the east and joins the Garonne at Bec d'Ambès to form the Gironde estuary, is included. It flows from the central Spanish Pyrenees to the Gironde estuary at the French port of Bordeaux – a length of 529 km (329 mi), of which 47 km (29 mi) is in Spain ( Val d'Aran) the total length extends to 602 km (374 mi) if one includes the Gironde estuary between the river and the sea. Or Garunna) is a river of southwest France and northern Spain. The Garonne ( / ɡ ə ˈ r ɒ n, ɡ æ ˈ-/, also US: / ɡ ɑː ˈ r ɔː n/, French: Occitan, Catalan, Basque, and Spanish: Garona, Occitan pronunciation: Latin: Garumna ![]()
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