San Pedro de Inacaliri River

San Pedro de Inacaliri River, or called simply San Pedro River, is a river of Chile located in El Loa Province, Antofagasta Region. It begins at the confluence of the rivers Silala and Cajón, at an elevation over 4,000 m asl.

San Pedro de Inacaliri River
San Pedro River and Paniri volcano
Location
CountryChile
Physical characteristics
Mouth 
 • location
Loa River
Length76 km (47 mi)
Basin size9,850 km2 (3,800 sq mi)
Discharge 
 • average0.2 m3/s (7.1 cu ft/s)

A part of its flow is diverted (between 50 and 60 l/s) and conducted across the desert to Chuquicamata for domestic water supply. About 8 km south, the waters of the river disappear in a floodplain area to reappear 15 km downstream at the so-called Ojos del San Pedro in the form of a partially overground stream, at the eastern border of a salt flat with a surface of 5 km².

Loa and its tributaries San Pedro, Silala and Salado Rivers

Before discharging into Loa River, the river skirts the San Pedro volcano, where it has carved a 100-m-deep canyon through a rhyolite lava flow.

References
    • This article draws heavily on the corresponding article in the Spanish-language Wikipedia, accessed August 31, 2007.
    • Niemeyer, Hans; Cereceda, Pilar (1983). Geografía de Chile — Tomo VIII: Hidrografía (1º edición, Santiago de Chile: Instituto Geográfico Militar ed.).


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