The Iroquois River in Newton County, Indiana.
|Origin||NW of Rensselaer, Newton Township, Jasper County, Indiana
|Basin countries||United States|
|Length||103 miles (166 km)|
|Source elevation||705 feet (215 m)|
|Mouth elevation||599 feet (183 m)|
|Avg. discharge||1741 cu ft per sec|
|Basin area||2,091 sq mi (5,420 km2)|
The Iroquois River is a 103-mile-long (166 km) tributary of the Kankakee River in 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.
The Iroquois River rises in Jasper County, Indiana, and flows generally west-southwestwardly through Newton County, Indiana, and Iroquois County, Illinois, where it turns northward and flows into Kankakee County, Illinois. It enters the Kankakee River from the south in Kankakee County, opposite the village of Aroma Park, about 4 miles (6 km) southwest of the city of Kankakee.
- Borntrager Ditch
- Burns Ditch
- Irokois River
- Iroquois Ditch
- Pickamick River
- Pickamink Lateral
- Pickamink River
- Pinkamink River
- Swain Ditch
- Thompson Ditch
Towns and cities
- U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed May 13, 2011
- U.S. Geological Survey Geographic Names Information System: Iroquois River
- Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 166.
- Columbia Gazetteer of North America entry
- DeLorme (2003). Illinois Atlas & Gazetteer. Yarmouth, Maine: DeLorme. ISBN 0-89933-321-4.
- DeLorme (1998). Indiana Atlas & Gazetteer. Yarmouth, Maine: DeLorme. ISBN 0-89933-211-0.