De Valls Bluff, AR
De Valls Bluff is a town in and the county seat of the southern district of Prairie County, Arkansas, United States. The population was 783 at the 2000 census.
De Valls Bluff is located at 34°47′5″N 91°27′37″W / 34.78472°N 91.46028°W / 34.78472; -91.46028 (34.784760, -91.460346).
According to the United States Census Bureau, the town has a total area of 2.8 km² (1.1 mi²). 2.7 km² (1.0 mi²) of it is land and 0.2 km² (0.1 mi²) of it (6.42%) is water.