Black Mountain is the highest mountain peak in the Commonwealth of Kentucky, United States, with a summit elevation of 4,145 feet above mean sea level and a top-to-bottom height of over 2,500 feet. The summit is located at approximately 36°54′51″N 82°53′38″W in Harlan County, Kentucky near the Virginia border, just above the towns of Lynch, Kentucky and Appalachia, Virginia. It is alternatively known as Katahrin's Mountain, and is about 500 feet taller than any other mountain in Kentucky.