Loa River

Loa River
Map
Location
CountryChile
Physical characteristics
Source 
  locationMiño Volcano
  coordinates21°7′10″S 68°37′5″W / 21.11944°S 68.61806°W / -21.11944; -68.61806
  elevation4,277 m (14,032 ft)
Mouth 
  location
Pacific Ocean
  coordinates
21°25′48″S 70°3′27″W / 21.43000°S 70.05750°W / -21.43000; -70.05750
  elevation
Sea level
Length440 km (270 mi)
Basin size33,570 km2 (12,960 sq mi)
Discharge 
  average2.43 m3/s (86 cu ft/s)
Basin features
Tributaries 
  leftSan Pedro de Inacaliri River
Salado River
  rightSan Salvador River

The Loa River (Spanish: Río Loa) is a U-shaped river in Chile's northern Antofagasta Region. At 440 km (270 mi) long, it is the country's longest river and the main watercourse in the Atacama Desert.