| Ouachita River Lock and Dam No. 8 | |
| Coordinates: | 33.2999°N -92.4648°W |
| Architect: | U.S. Army Corps of Engineers |
| Added: | December 19, 1983 |
| Refnum: | 83003458 |
The Ouachita River Lock and Dam No. 8 are a historic lock and dam on the Ouachita River in Calhoun County, Arkansas. The area is managed by the county and the Arkansas Fish and Game Commission as a public recreation area. The facility offers a boat ramp and a few campsites.[1]
The lock and dam were listed on the National Register of Historic Places in 1983.