Lago di Canterno, Regional nature reserve in Province of Frosinone, Italy.

Lago di Canterno is a protected nature reserve in the Frosinone province featuring a round lake situated at roughly 540 meters elevation. Walking paths circle the water, offering views of the landscape and opportunities to spot wildlife in their natural habitat.

The reserve was established in 1997 by the Italian government, covering 1,824 hectares across the municipalities of Ferentino, Fiuggi, Fumone, Torre Cajetani and Trivigliano. It is managed by the Azienda Speciale Consortile Riserva Naturale Lago di Canterno. The protected area safeguards the wetland of Lake Canterno and its varied habitats.

The lake has long drawn anglers, and its waters hold carp, eel, tench, perch and crucian carp. The reserve, run by the Azienda Speciale Consortile Riserva Naturale Lago di Canterno, covers 1,824 hectares across Ferentino, Fiuggi, Fumone, Torre Cajetani and Trivigliano.

The reserve is best explored on foot using the established trails that circle the water and lead through natural areas. Plan for a leisurely walk to fully appreciate the landscape and have good chances of spotting animals.

The lake has long drawn anglers, and its waters hold carp, eel, tench, perch and crucian carp. Birdwatchers may also spot the black kite and the Italian kite among the resident and passing species recorded in the reserve.