| Source1 location | Luc-Armau |
|---|---|
| Mouth | Léez |
| Mouth coordinates | 43.6312°N 0.2325°W |
| Country | France |
| Length | 34.8 km (21.6 mi) |
The Arcis[1] or Larcis[2] (with article agglutination; Occitan: Arsís) is a river in Southwestern France. It is a right tributary of the Léez, originating in the commune Luc-Armau in the east of the Pyrénées-Atlantiques. It joins the Léez in Lannux, in the French département of the Gers. It is 34.8 km (21.6 mi) long.[2]
Name
The name is documented as Arsiis (1540), Arciis (1542), Arcis (1863). The name of the Arcison, a left tributary of the Layon, is related.
Main tributaries
- (L) Lizo,
- (L) Léès, from Saubole.