Peters Mountain is a 52-mile (84 km) mountain in the U.S. states of Virginia and West Virginia. It is located on the border between Alleghany County, VA, Monroe County, WV, Giles Co.,VA, and Craig Co.,VA. Its elevation ranges from 4,073 feet (1,241 m) on the mountaintop to a low of 2,300 feet (700 m). It produces some of the water supply for Monroe County. There are numerous sandstone outcroppings along the crest of the Peters Mountain and a number of high mountain bogs on Pine Swamp Ridge. The Mountain is primarily forested with upland oak, yellow poplar, red oak, and hickory.