Lago di Posta Fibreno
Lago di Posta Fibreno is an Italian lake located in Posta Fibreno, a municipality of the Province of Frosinone, Lazio. At an elevation of 288 m, its surface area is 0.287 km². The lake is in a karstic terrain and rich in underwater springs.Fauna
The lake of Posta Fibreno is home of an endemic species of trout, the Fibreno trout, along with the more widespread Mediterranean trout.