Lago di Posta Fibreno is an Italian

lake A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from ...

located in Posta Fibreno, a municipality of the

Province of Frosinone The province of Frosinone () is a province in the Lazio region of Italy. Its capital is the city of Frosinone. It has an area of and a total population of 493,605 (2016). The province contains 91 ''comuni'' (: ''comune''), listed in the ...

Lazio Lazio ( , ; ) or Latium ( , ; from Latium, the original Latin name, ) is one of the 20 Regions of Italy, administrative regions of Italy. Situated in the Central Italy, central peninsular section of the country, it has 5,714,882 inhabitants an ...

. At an elevation of 288 m, its surface area is 0.287 km². The lake is in a

karst Karst () is a topography formed from the dissolution of soluble carbonate rocks such as limestone and Dolomite (rock), dolomite. It is characterized by features like poljes above and drainage systems with sinkholes and caves underground. Ther ...

ic terrain and rich in underwater springs.Freyhof, J. & Kottelat, M. 2008
''Salmo fibreni''
In:IUCN Red List of Threatened Species. Version 2010.1. Downloaded on 18 May 2010.

Fauna

The lake of Posta Fibreno is home to the

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Fibreno trout ('' Salmo fibreni''), along with the more widespread Mediterranean trout ('' Salmo cettii'').

References

Lakes of Lazio {{Lazio-geo-stub