| Lower White River Museum State Park | |
| Map Type: | Arkansas#USA |
| Map Relief: | 1 |
| Map Dot Label: | Lower White River Museum |
| Coordinates: | 34.9769°N -91.5161°W |
| Former Names: | Des Arc Archeological Center Bethell Pioneer Museum, Des Arc Archeological Museum, Prairie County Museum |
| Established: | 1970 |
| Location: | 2009 Main Street, Des Arc, Arkansas, United States |
| Type: | History |
| Website: | Lower White River Museum State Park |
Lower White River Museum State Park is a state-run museum located on Main Street in Des Arc, Prairie County, Arkansas, United States, that interprets the history of the lower portion of Arkansas’s White River during the hundred-year period of 1831-1931. Founded in 1970, the museum underwent several name changes before falling under the purview of the museum services division of the parks and tourism department in 1979.