Mount Manchester is the highest peak in the Dead Mountains of extreme northeastern San Bernardino County, California; the Dead Mountains border the Colorado River on the east, and the Piute Wash of the Piute Valley on the west.
Mount Manchester is the highest peak in the Dead Mountains of extreme northeastern San Bernardino County, California, in the Mojave Desert. The Dead Mountains border the Colorado River on the east, and the Piute Wash of the Piute Valley on the west.