Rillito River

Rillito River
Dry riverbed near Dodge Blvd
EtymologySpanish word meaning "Little River"
Location
CountryUnited States
StateArizona
CityTucson, Arizona
Physical characteristics
SourceConfluence of North and South Forks
  locationPima County, Arizona
  coordinates32°16′7″N 110°52′31″W / 32.26861°N 110.87528°W / 32.26861; -110.87528
MouthSanta Cruz River
  location
Pima County, Arizona
  coordinates
32°18′49″N 111°3′18″W / 32.31361°N 111.05500°W / 32.31361; -111.05500
  elevation
2,195 ft (669 m)
Length12.2 mi (19.6 km)
Basin features
Tributaries 
  leftTanque Verde Creek
  rightPantano Wash

The Rillito River (Spanish pronunciation: [ˈriʝito]; Spanish "Little River") is a river in Pima County, Arizona. It flows from east to west across the northern boundary of the City of Tucson from the confluence of Tanque Verde Creek and Pantano Wash to the Santa Cruz River 12.2 miles (19.6 km) away. The Rillito River Park runs along the north and south banks of the river from Interstate 10 to North Craycroft Road.