Gers (river)

The Gers () is a long river in southern France, left tributary of the Garonne.
Its source is in the foothills of the Pyrenees, near Lannemezan. It flows north through the "départements" Hautes-Pyrénées, Gers and Lot-et-Garonne. It flows into the Garonne in Layrac, near Agen. The city Auch lies along the river Gers. It gives its name to the Gers "département".
Toponymy.
The name of the Gers appears in the sixth century as "Ægirtius", "de Egircio flumine" and "Gircius". It is known as "in flumine Gersio" in 817 and as "Iercius" in the 13th century.
Departments and cities.
The Gers passes through the following departments and main towns: