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| Cordillera de la Ramada | |
|---|---|
| Name | Cordillera de la Ramada |
| Country | Argentina |
| Region | San Juan Province |
| Coordinates | 31°45′S 69°45′W |
| Highest | Cerro Ramada |
| Elevation m | 6384 |
| Parent | Andes |
Cordillera de la Ramada is a subrange of the Andes in western Argentina, located primarily within San Juan Province near the border with Mendoza Province. The range lies west of the Córdoba-to-Chile cordillera corridor and east of the Puna de Atacama, forming part of the high Andean arc that includes multiple major massifs and volcanic complexes. Historically significant for mountaineering and regional exploration, the range has been visited by expeditions associated with institutions such as the Alpine Club and universities including University of Buenos Aires.
The Cordillera de la Ramada occupies a sector of the Andes between the Río Jáchal basin and the Río Mendoza catchment, proximate to towns such as Barreal, Calingasta, and San Juan (city). Its ridge system is aligned roughly north–south, connecting with neighboring ranges like the Sierra de la Huerta and the Sierra del Tontal. Access routes often begin from provincial highways linking to National Route 149 and National Route 40, with approach valleys used by expeditions and scientific teams from institutions such as the Servicio Meteorológico Nacional and the Instituto Geográfico Nacional.
The geology of the range reflects Andean orogeny associated with the interaction of the Nazca Plate and the South American Plate, producing uplift, folding, and magmatism documented by researchers at CONICET and international teams from universities including University of Chile and University of Córdoba. Lithologies include metamorphic complexes, intrusive granitic bodies, and volcanic sequences related to the Central Volcanic Zone. Structural features are comparable to those studied in the Altiplano-Puna region and in the tectonic literature alongside examples like Cerro Mercedario and Aconcagua. Paleomagnetic, isotopic, and radiometric studies have been carried out by laboratories such as Argentine Geological Survey affiliates and collaborators from Smithsonian Institution and Universidad Nacional de San Juan.
Prominent summits include Cerro Ramada, which reaches approximately 6,384 metres, along with nearby high points that are commonly cited alongside Cerro Mercedario, Aconcagua, Cerro Bonete, and Cerro Plata. Other named summits and massifs in the vicinity have been referenced in climbing literature from organizations like the American Alpine Club, UIAA, and regional guides produced by Alpine Club affiliates and local mountaineering clubs in Mendoza and San Juan. Historical first ascents have involved climbers associated with expeditions led by figures linked to the Falkland Islands Dependencies Survey style logistics and institutes such as Comisión Nacional de Actividades Espaciales (CONAE) researchers studying high-altitude environments.
The climate is characteristic of the high central Andes, with an arid to semi-arid Atacama Desert influence, strong diurnal temperature ranges, and seasonal precipitation patterns governed by the South American monsoon and westerlies. Glacial landforms and small ice patches have been mapped in comparison to studies on Perito Moreno Glacier and Glaciar San Rafael, with remote sensing by agencies like NASA, European Space Agency, and national programs documenting recent retreat trends. Cryospheric research by teams from Universidad Nacional de La Plata and CONICET has examined mass balance, glacier shrinkage, and periglacial processes similar to those reported for Cordillera Blanca and other Andean sectors.
Vegetation zones range from high Andean steppe and puna communities to sparse high-elevation cushion plants, with species inventories comparable to lists compiled by CONICET, IUCN, and regional herbaria at Museo de La Plata and Herbario Nacional (CORD)]. Faunal assemblages include highland specialists observed broadly across the Andes such as Vicuña, Guanaco, Andean condor, and small mammals and reptiles documented in surveys by Administración de Parques Nacionales researchers. Conservation status assessments referencing IUCN Red List categories have been undertaken for species and habitats analogous to those protected in Reserva Provincial San Guillermo and other Andean reserves.
Human presence in and around the range dates to pre-Columbian occupation by indigenous groups linked to cultural networks studied by archaeologists at Universidad Nacional de Cuyo and museums such as Museo de La Plata; artifacts and pastoral practices correspond to broader patterns across the Diaguita and Atacameño cultural areas. European and scientific exploration intensified during the 19th and 20th centuries with expeditions by naturalists and mountaineers from institutions including Royal Geographical Society, Smithsonian Institution, and the American Alpine Club. Cartographic and topographic surveys were later refined by the Instituto Geográfico Nacional and geological mapping projects coordinated with Servicio Geológico Minero Argentino.
Climbing, trekking, and high-altitude research draw visitors organized through provincial tourism offices in San Juan Province and by commercial operators often affiliated with Federación Argentina de Ski y Andinismo and international guiding services. Conservation efforts involve provincial authorities, national research bodies like CONICET, and NGOs comparable to Fundación Vida Silvestre Argentina focusing on sustainable access, habitat protection, and scientific monitoring similar to programs in Parque Nacional Los Alerces and Reserva Natural de la Biosfera Laguna Blanca. Management challenges mirror those in other Andean protected areas such as Parque Provincial Ischigualasto and require coordination with municipalities like Calingasta and agencies including the Ministerio de Ambiente y Desarrollo Sostenible (Argentina).
Category:Mountains of San Juan Province (Argentina) Category:Mountain ranges of the Andes