Camas Prairie Centennial Marsh Wildlife Management Area at 3,100 acres (13 km2) is an Idaho wildlife management area in Camas County south of the community of Hill City.

[1] The WMA is at the base of the Bennett Hills on the Camas Prairie south of the Soldier Mountains and Sawtooth National Forest.

The Idaho Department of Fish and Game acquired the land in 1987 with the help of Ducks Unlimited and The Nature Conservancy to provide quality wetland and upland habitat for migratory and resident wildlife.

[3] The shallow water provides habitat for emergent vegetation predominantly Carex and Juncus species.

Camas lilies bloom beginning in late May, and the area attracts many birds, including Canada geese, mallards, gadwalls, American wigeons, northern pintails, northern shovelers, lesser scaup, canvasbacks, redheads, ruddy ducks, and blue-winged, green-winged, and cinnamon teals.