They are formations in the shape of pinnacles and towers made up of gravel held together by clay and silt, formed thanks to the erosion of atmospheric agents.
Bring water …
The last stretch to reach the cave is very steep and insidious, I absolutely recommend suitable shoes and don't disdain poles to keep your balance. Once reached, it pays off …
Stretch of gravel dirt road that follows the course of the Cesolone torrent, which from the Letegge and d'Aria mountains flows into the Chienti river near Tolentino. Along the way …
It is useful to know that the Gola di S. Eustachio is a SCI (Site of Community Importance), and is also located within the SPA (Special Protection Area) Gola di Sant'Eustacchio, Monte d'Aria and Monte Letegge.