The CDP is located in southern Brule County, at the south base of a small ridge known as the Bijou Hills. The community is 1.2 miles (1.9 km) northeast of South Dakota Highway 50 and 18 miles (29 km) south of Interstate 90.
History
Bijou Hills was laid out in 1875, and named after a nearby group of hills.[6] A post office called Bijou Hills was established in 1877, and remained in operation until 1957.[7]
In 1976, Bijou Hills was designated as a National Natural Landmark by the National Park Service.[8]