South Arkansas River

South Arkansas River
Basin features
Main source	38°29′53″N 106°19′53″W / 38.49806°N 106.33139°W / 38.49806; -106.33139
River mouth	Confluence with Arkansas 7,001 ft (2,134 m) 38°31′16″N 105°58′40″W / 38.52111°N 105.97778°W / 38.52111; -105.97778Coordinates: 38°31′16″N 105°58′40″W / 38.52111°N 105.97778°W / 38.52111; -105.97778
Progression	Arkansas—Mississippi

South Arkansas River is a 24.5-mile-long (39.4 km)tributary of the Arkansas River that flows from a source near Monarch Pass in the Sawatch Range of southern Colorado. It joins the Arkansas just south of Salida, Colorado.