The state park consists of 1,105 acres (447 ha) of hills, ravines, fresh water marsh, fens, and bottomland and upland forests in an area known as The Pinnacles The park has several archaeological sites, a cultural center, and facilities for camping, hiking, and fishing.

[4] The park and surrounding lands were once the home of the Native American tribe known to French settlers as “Oumessourit,” or Missouri Indians.

Signs of the land's first occupants include the remnants of a Native American village, known as the Utz Site, a sizeable earthworks named Old Fort, and a mound field.

[8][9][10] The area's native history is interpreted in the park's cultural center through exhibits and murals.

[1] Park recreational activities include camping, hiking, and fishing on an 18-acre (7.3 ha) lake.