Iroquois River (Indiana-Illinois)

Iroquois River
The Iroquois River in Newton County, Indiana.
Location
CountryUnited States
Physical characteristics
Source 
  locationNW of Rensselaer, Newton Township, Jasper County, Indiana
  coordinates40°57′55″N 87°12′23″W / 40.9652778°N 87.2063889°W / 40.9652778; -87.2063889 (Iroquois River origin)
  elevation705 feet (215 m)
Mouth 
  location
Kankakee, Illinois
  coordinates
41°04′27″N 87°48′59″W / 41.0741993°N 87.8164285°W / 41.0741993; -87.8164285 (Iroquois River mouth)
  elevation
599 feet (183 m)
Length103 mi (166 km)
Basin size2,091 sq mi (5,420 km2)
Discharge 
  average1,741 cubic feet per second (49.3 m3/s)
Basin features
ProgressionIroquois River → KankakeeIllinoisMississippiGulf of Mexico
GNIS ID410927

The Iroquois River is a 103-mile-long (166 km) tributary of the Kankakee River in the Central Corn Belt Plains of northwestern Indiana and northeastern Illinois in the United States. It was named for the Iroquois people. Via the Kankakee and Illinois rivers, it is part of the watershed of the Mississippi River.