Prairie State Park is a public recreation area encompassing nearly 4,000 acres (1,600 ha) of grasslands and woodlands in Barton County, Missouri.

The park features hiking trails, camping for backpackers, and a nature center.

Captive wild bison and elk roam the park.

[3] The bison herd contains about 100 individuals as of spring 2021.

[4] Prairie State Park is in the central forest-grasslands transition ecoregion of the temperate grasslands, savannas and shrublands biome.