| Larcis | |
|---|---|
| Country | France |
| Basin features | |
| Main source | Vic-Bilh |
| River mouth | Léez |
| Progression | Léez→ Adour→ Atlantic Ocean |
| Physical characteristics | |
| Length | 35 km (22 mi) |
The Larcis (Occitan: Arsís) is a river in Southwestern France. It is a right tributary of the Léez, originating from the Vic-Bilh in the east of the Pyrénées-Atlantiques.
It joins the Léez in Lannux, in the French département of the Gers.
It shares its name with a tributary of the Estéous. The name of the Arcison, a left tributary of the Layon, is related.
Coordinates: 43°41′N 0°13′W / 43.683°N 0.217°W