How long is the extension of the blue ridge mountain range that Nichol's Gap Road was built over?
South Mountain (Maryland and Pennsylvania) South Mountain is the northern extension of the Blue Ridge Mountain range in Maryland and Pennsylvania. From the Potomac River near Knoxville, Maryland, in the south, to Dillsburg, Pennsylvania, in the north, the 70 mi range separates the Hagerstown and Cumberland valleys from the Piedmont regions of the two states. The Appalachian National Scenic Trail follows the crest of the mountain through Maryland and a portion of Pennsylvania.
Deep Gap, North Carolina Deep Gap is an unincorporated community located in Watauga County, North Carolina, United States. The community is named after the natural gap, called Deep Gap, at Fire Scale Mountain, where the Blue Ridge Parkway crosses over US 421. Influential guitar player Doc Watson was born in Deep Gap and lived there until his death May 29, 2012.