Lago di Posta Fibreno
| Lago di Posta Fibreno | |
|---|---|
| Location | Posta Fibreno, (Province of Frosinone, Lazio) | 
| Coordinates | 41°41′59″N 13°41′11″E / 41.699801°N 13.686304°E | 
| Primary outflows | Fibreno | 
| Basin countries | Italy | 
| Surface area | 0.287 km2 (0.111 sq mi) | 
| Surface elevation | 288 m (945 ft) | 
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.