Mountains of Sis

Mountains of Sis
The Mountains of Sis seen from the south
Highest point
Elevation1,791 m (5,876 ft)
ListingList of mountains in Aragon
Coordinates42°24′41″N 00°38′39″E / 42.41139°N 0.64417°E / 42.41139; 0.64417
Geography
Mountains of Sis
Location in the Pre-Pyrenees area
LocationRibagorza (Aragon)
Parent rangePre-Pyrenees
Geology
Mountain typeConglomerate
Climbing
Easiest routeDrive from Beranui, Sopeira or Arén

The Mountains of Sis (Catalan: Serra de Sis, or Serra del Cis; Spanish: Sierra de Sis) is a 28 km (17 mi) long mountain range of the Pre-Pyrenees. They are located between the valleys of rivers Isábena and the Escales Reservoir, Noguera Ribagorzana, in the Ribagorza comarca, Aragon, Spain. The ridge's highest summits are Pico de l'Amorriador (1791 m) and Puialto (1782 m). Other important summits are 1765 m high La Creu de Bonansa, 1490 m high Altaió d'Aulet and 1066 m high Tossal de Cornudella.