Initially named Neste d'Aragnouet, it is joined by the Neste de Couplan upstream of the village of Fabian. It then takes the name of Neste d'Aure. It bathes Saint-Lary-Soulan, Arreau, Sarrancolin, ... before flowing into the Garonne at Montréjeau. 73 km of river classified in 1st category, going from 2570m altitude to 414 meters. Its length and steep slope offer it a multitude of profiles (torrentuous, wide, calm, rapid, tumbling down its gorges, etc.). Perfect for nymph fishing, it also reveals large smooth areas ideal for dry fly fishing. Punctuated by labeled leisure, tourist, children's courses and 5 NO-KILL courses, the fishing offer is complete!