It travels through Ploudaniel, Le Folgoët, Lannilis and Plouguerneau and enters the ocean in the estuary between the Sainte Marguerite peninsula and the headland of the Virgin Island.
The Aber Wrac'h could derive its name from the first immersed rock of its channel, “Ar Wrach”, which means “the old woman” (or the wrasse) in Breton.
An alternative theory is that the name is derived from the “estuary of the fairy” which may be related to the alleged Gallo-Roman bridge located upstream of the river mouth (ruins still visible today) named Pont Krac'h (Bridge of the Devil).
The United States Navy established a naval air station on 4 June 1918 to operate seaplanes during World War I.
[1] They following archipelago is also referred to as the islands of Lilia : The village is a popular location and base for sailing, windsurfing and kitesurfing.