River - Kaskaskia
The Kaskaskia River, a tributary of the Mississippi River, is located in south-central Illinois. It is roughly 300 miles in length and has a drainage area of approximately 5,810 square miles. Its major tributaries include Shoal Creek and Silver Creek. The Kaskaskia River originates as Kaskaskia Ditch, which flows southwest for 21 miles before becoming the Kaskaskia River just north of the Champaign-Douglas county border. The river continues to flow southwest and drains to the Mississippi in Randolph County.