West Okaw River
General data
- Name: West Okaw River
- Water system: Mississippi River
- Water type: River
- Progression: Kaskaskia River -> Mississippi River -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Continental
- Continents: North America
- Countries: United States of America
The West Okaw River is a tributary of the Kaskaskia River, which it joins in Moultrie County, Illinois. The West Okaw forms an arm of Lake Shelbyville where the natural rivers used to meet. The West Okaw is the western fork of the Kaskaskia, which was formerly known as the Okaw.
The West Okaw is about 51 km in length, as measured from the junction of the arms of Lake Shelbyville. This figure includes the drainage ditches, which extend the stream about eight miles above the natural channel.
