The Minidoka Dam is an earthfill dam in the western United States, on the Snake River in south central Idaho. Completed in 1906, the dam is east of Rupert on county highway 400; it is 86 ft high and nearly a mile (1.6 km) in length, with a 2400 ft wide overflow spillway section.

Minidoka Dam and power plant were listed on the National Register of Historic Places