|Etymology||Ancient tribal name|
|Range coordinates||41°35′N 13°00′E / 41.58°N 13°ECoordinates: 41°35′N 13°00′E / 41.58°N 13°E|
|Parent range||Apennine Mountains, Volsci Chain|
|Orogeny||Southern Apenninic Orogeny|
|Age of rock||Messinian of Miocene, Pliocene-Pleistocene|
|Type of rock||limestone karst|
The range borders to the north with the Colli Albani, to the east with the Ciociaria, to the south with the Monti Ausoni and to the west with the Pontinian Plain. The highest peak is the Monte Semprevisa (1,536 m).
The most striking natural feature is the Gardens of Ninfa. There are also numerous grottoes, including some of the most significant in central Italy. The wildlife of the mountains includes peregrine falcons, griffons and Apennine wolves.
- Ardito, Stefano (1999). A piedi nel Lazio. Subiaco.