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Gers
River
Auch (Gers, Fr) sur le chemin de St.Jacques.JPG
The Gers river in Auch
Country France
Regions Occitanie, Nouvelle-Aquitaine
Department Hautes-Pyrénées, Gers, Lot-et-Garonne
Commune Lannemezan, Chélan, Panassac, Masseube, Seissan, Pavie, Auch, Preignan, Montestruc-sur-Gers, Fleurance, Lectoure
Tributaries
 - left Sousson, Talouch, Lauze, Auchie
 - right Cier, Arçon, Aulouste
City Auch
Source
 - location Plateau de Lannemezan, Occitanie, France
 - elevation 613 m (2,011 ft)
 - coordinates 43°05′57″N 0°23′20″E / 43.09917°N 0.38889°E / 43.09917; 0.38889
Mouth Garonne
 - location Layrac, Nouvelle-Aquitaine, France
 - elevation 45 m (148 ft)
 - coordinates 44°08′42″N 0°38′50″E / 44.14500°N 0.64722°E / 44.14500; 0.64722
Length 175.4 km (109 mi)
Basin 1,227 km² (474 sq mi)
Discharge for Layrac
 - average 7.06 /s (249 cu ft/s)

The Gers is a French river that flows through the Hautes-Pyrénées, Gers and Lot-et-Garonne departments, in the Occitanie and Nouvelle-Aquitaine regions. The Gers department is named after this river.

The river's source is in the Pyrenees and is a left tributary of the Garonne river. In general, it flows from south to north.

Geography

The Gers river has a length of 175.4 km (109.0 mi) and a drainage basin with an area of 1,227 km2 (474 sq mi).

Course

The source of the Gers is on the Plateau de Lannemezan, in the Lannemezan commune (Hautes-Pyrénées), at an altitude of 613 m (2,011 ft).

The Gers passes through the departments and towns of:

The Gers river flows through 48 communes and 11 cantons.

Finally, it flows into the Garonne river to the south of Agen (Lot-et-Garonne), in the Layrac commune, at 45 m (148 ft) of altitude.

Main tributaries

  • Left tributaries
    • Gèze - 11.7 km;
    • Cédon - 18.6 km;
    • Sousson - 33.8 km;
    • Talouch - 14 km;
    • Ousse - 10.6 km;
    • Lauze - 16.3 km;
    • Auchie - 15.7 km;
  • Right tributaries
    • Cier - 13.6 km;
    • Arçon - 18.1 km;
    • Aulouste - 20.6 km;

Gallery

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