The South Virgin Mountains are a smaller mountain range of the eastern Mojave Desert, in Clark County, southeastern Nevada.
The mountains are located south of the larger Virgin Mountains range, east of the Virgin River leg of Lake Mead, and west of the Arizona Strip.
The South Virgin Mountains are within the jurisdiction of the BLMâÂÂBureau of Land Management.
Black Butte is a summit northeast of Bitter Ridge, with an elevation of .