The Anllóns is a Galician river that begins in the Xalo Mountains at an elevation of 400 metres (1,300 ft) above sea level and flows into the Atlantic via the Ria of Corme and Laxe.
Along its 54.4-kilometre course, it crosses the municipalities of Cabana de Bergantiños, Carballo, Cerceda, Coristanco, and Ponteceso. Its average flow is 9.931 cubic metres per second.
