The Chikaskia River is a 159-mile-long tributary of the Salt Fork of the Arkansas River in southern Kansas and northern Oklahoma in the United States. Via the Salt Fork and Arkansas rivers, it is part of the watershed of the Mississippi River.
Country: United States
State: Kansas, Oklahoma
Region: Great Plains
Mouth: Salt Fork of the Arkansas River
Length: 159 mi (256 km), Southeast
River system: Salt Fork of the Arkansas River watershed