Nicolò Marchi pic. - nicolomarchiview.tumblr.com. The Pilate lake is located in the heart of the SibilliniNational Park, at 1,940 meter over sea level. It is protected from the peak of MountVettore (h=2,478 m) and from the Redeemer’s Peak (h=2,448 m), the lake and its valley have a great naturalistic value. First of all, it is the only natural lake of the Marche and moreover it is the only Alpine-Ice Age lake present in the Apennines mountains.