Ponca Creek (Missouri River tributary)

Ponca Creek is a stream that flows from southern South Dakota and into northern Nebraska. It is 139 mi long. Its source is about 4 mi west of U.S. 183, near Colome. It flows into the Missouri River 6 mi northwest of Niobrara. Ponca Creek starts out going east, then takes a southeast direction, which continues until around Bristow, Nebraska, where it turns east again until it flows into the Missouri River. The entire Ponca Creek watershed drains 520000 acre. The watershed stretches from central Tripp County to central Gregory County.

Ponca Creek takes its name from the Ponca people, who are indigenous to the region and in whose nation the creek flowed.

Towns along the creek
The towns in the Ponca Creek watershed in South Dakota are Colome, Dallas, Gregory, Burke, Herrick, and St. Charles. The towns along Ponca Creek in Nebraska are Anoka, Spencer, Bristow, Lynch, Monowi, and Verdel.

Named tributaries
The named tributaries of Ponca Creek are Masdon Creek, Murphy Creek, Blue Eyes Creek, Hay Creek, Willow Creek, Squaw Creek, Dizzy Creek, Dry Creek, Tobacco Creek, Spring Creek, Crooked Creek, Beaver Creek, Whiskey Creek, and Dewey Creek.

Ponca Creek does not flow into any lakes.