Gave de Pau
The Gave de Pau starts in the Cirque de Gavarnie, in the Parc national des Pyrénées ("Pyrénées National Park"), in the commune of Gavarnie, Hautes-Pyrénées department, at an altitude of about . The upper part of the river is known as Gave de Gavarnie; the name Gave de Pau is given to the river after the Gave de Gavarnie joins the Bastan river at Luz-Saint-Sauveur.