The  massifs in the east and south are part of the Fanes-Sennes-Prags Nature Park, with the notable summit of Sas dla Crusc rising up to 2,907 m (9,537 ft); the chains in the west belong to the Puez-Geisler Nature Park.
The eastern and southern massifs are part of the Fanes-Sennes-Prags Nature Park, with the prominent peak of Sas dla Crusc standing at 2,907 meters (9,537 feet). The western mountain chains belong to the Puez-Geisler Nature Park.