The Sibillini Mountains (Monti Silibilini) are part of the central Apennines. The highest peak is the Monte Vettore at 2'476 m. Since 1993 the area has been part of the Sibillini Mountains National Park.
Marmore waterfall shared with a landscape in the Sibillini Mountains
viewpoint: near Castelluccio di Norcia.
The stamp was issued in the series "Tourism".
Castelluccio di Norcia (1'452 m) is known as the highet settlement in the Apennines. It lies above the "Great Plain" (Piano Grande - 1270 m), next to the Sibillini Mountains National Park.