North Sioux City, SD

Clay County Park and Adams Homestead and Nature Preserve – Exit 4 off of I-29 at North Sioux City on the Missouri River.

Springfield Recreation Area, SD

Adjacent to Springfield on the Missouri River. Includes camping, cabins, boating and fishing plus a nearby 9-hole golf course.
Vermillion, SD

Vermillion, SD

Spirit Mound Historic Prairie State Park, W.H. Over Museum, Clay County Park. ★ Lewis and Clark climbed Spirit Mound on August 25, 1804, one of the few places that we know the exact location where they stood.