| Mountains of Sis | |
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The Mountains of Sis seen from the south |
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| Elevation | 1,791 m (5,876 ft) |
| Listing | List of mountains in Aragon |
| Location | |
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Mountains of Sis
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| Geology | |
| Type | Conglomerate |
| Climbing | |
| Easiest route | Drive 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.[1] The ridge's highest summits are Pico de l´Amorriador (1791 m) and Puialto (1782 m).
The summits of this mountain chain offer an excellent lookout point to have a view of some of the main peaks of the Pyrenees from the south, as well as of the magnificent El Turbón in the west.[2]
The 9th - 11th century Santa María de Obarra monastery is located at the foot of the western end of the Sierra de Sis range.[3] There are also many ancient cattle farmers' buildings known as borda in the area.
Some of the steep rocky cliffs of the range are popular with rock climbers.[4] This mountain chain rises abruptly from a plain and looks quite massive from certain angles, therefore in ancient geographic works this range was also referred to as "the Great Mountains of Sis" (Spanish: la gran sierra de Sis) owing to the massive appearance of its mountains, abruptly rising as mighty foothills of the Pyrenees.[5]
Peña Montañesa