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.
Coleman River Coleman River is a 6.6 mi stream that is located in the Blue Ridge Mountains, mostly within Rabun County, Georgia. It is one of the main tributaries of the Tallulah River. The headwaters of Coleman River are located in Clay County, North Carolina, and the river travels a short distance before crossing into Georgia. The length of Coleman River in Rabun County is approximately 5.4 mi , with about 1.3 mi traveling through private lands and about 4.1 mi traveling through the Chattahoochee National Forest. The northern part of Coleman River in Georgia, from an elevation of about 2800 ft northward, together with the portion of Coleman River in North Carolina, is located in the Southern Nantahala Wilderness.