In the Parc National du Mercantour, almost all lakes are regularly replenished with fry (lacs de Vens, de Millefonds, des Merveilles etc.), as well as the lakes of Breil-sur-Roya, lac des neiges in Isola and lac de Thorenc.
The lac du Boréon in St-Martin-Vésubie offers a regulated sports fishing route of 5 km, and beginner courses in fly fishing and all techniques.
The lac du Clos de Maty in Valberg hosts trout fishing competitions
The Roya-Bévéra valley is the kingdom of the Brown Trout, the eel and the crawfish (consult the prefectural ruling for opening dates).