Orb

Length : 135 m km
Source : Mont Bouviala (Escandorgue massif)
Estuary : Valras (Mediterranean)
Particularity : It is the most sportive Mediterranean river : its flow is supported since the Avéne dam in the North-East by the EDF releases coming from the Salvetat/Agout

60 km from Cap d'Agde and 30 km from Béziers, Roquebrun is the southern gateway to the Haut-Languedoc natural park. TheOrb, a peaceful river in the foothills of the Larzac (Avene), swells with tributaries of the Caroux massif (the park's nature reserve), then winds through vineyards and olive groves to the medieval villages of Vieussan and Roquebrun.