Puente del Inca, Natural arch in Las Heras Department, Argentina.
The mineral arch spans 47 meters in length and 28 meters in width across the Las Cuevas River at an elevation of 2,730 meters.
Charles Darwin documented the geological formation in March 1835, creating detailed drawings that featured the natural bridge with its large stalactites.
The abandoned railway station near the arch now houses the Museo del Andinista, displaying mountaineering artifacts and regional history during summer months.
Visitors can reach the natural formation by following Route 7 from Mendoza city, with the best viewing conditions occurring between November and March.
The arch formed through a combination of glacial activity and mineral-rich hot springs that petrified debris into a solid mass over time.
Location: Las Heras Department
Inception: 1991
Elevation above the sea: 2,730 m
Address: Ruta Internacional 7, Mendoza
Website: https://mendoza.gov.ar/areasnaturales/puente-del-inca
GPS coordinates: -32.82662,-69.91110
Latest update: July 9, 2025 07:55
Nuevo Cuyo contains national parks, geological formations, and historical sites. The region includes red sandstone cliffs in Talampaya Park, the astronomical observatory in El Leoncito, and the natural bridge Puente del Inca. This Argentine region features salt flats, volcanoes, caves, and canyons. The areas house various wildlife species and prehistoric sites.
The Mendoza region offers wineries with historic and modern cellars, natural parks including the highest peak in the Americas, museums tracing local history, squares adorned with monuments, and notable geological sites. The area also includes colonial forts, historical churches, lakes, ski resorts, and nature reserves with volcanic formations.
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