The right bank tributary of the Durance, the river basin of the Largue is modest with its 372km². It is a varied territory stretching from the Lure mountain to the plain of the Durance, through the hills and plateaus of the central region and the Luberon Oriental mountainous areas. The Largue, and its main tributary the Laye, are the identity of several living areas. The diversity of the territory is shown in land use and activities related to water availability.