Larcis
The Arcis or Larcis 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 long.Name
The name is documented as Arsiis, Arciis, Arcis. The name of the Arcison, a left tributary of the Layon, is related.
