Question:  Whitetop is the southern terminus of the Virginia Creeper Trail, a 35 mi multi-purpose rail trail located where?
Context: The Wallkill Valley Rail Trail is a 23.7 mi rail trail and linear park that runs along the former Wallkill Valley Railroad rail corridor in Ulster County, New York.  It stretches from Gardiner through New Paltz, Rosendale, and Ulster to the Kingston city line.  The trail is separated from the Walden–Wallkill Rail Trail by two state prisons in Shawangunk, though there have been plans to bypass these facilities, and to connect the Wallkill Valley Rail Trail with other regional rail trails. The Ma and Pa Trail is a 6.25 mi multi-purpose rail trail that follows the path of the old Ma and Pa Railroad through Harford County, Maryland.  It contains three linked trails, one unconnected, with plans to bridge the gap in the middle, bringing the total length to 10 mi .  Both links of the trail are paved, have few steep hills or hazards, and contain overlooks and bridges when necessary. The Virginia Creeper Trail is a 35 mi multi-purpose rail trail in southwestern Virginia.  The trail runs from Abingdon to Whitetop, Virginia, near the North Carolina state line – through National Forest and crossing numerous restored trestles and crossing the Appalachian Trail. The East Gippsland Rail Trail is a rail trail located in East Gippsland in Victoria, Australia.  The trail is a popular cycling route, beginning in Bairnsdale and extending to Orbost, following the route of the former Orbost railway line.  The Bairnsdale-Orbost railway was opened in 1916 to serve the agricultural and timber industry, and required numerous substantial bridges because of the nature of the terrain.  Due to the decline in traffic and heavy operating costs, the line was finally closed in August 1987 and the track infrastructure removed in 1994.  The shared trail is also available for walkers and recreational horseriding, however motorised vehicles are prohibited. The Cape Cod Rail Trail (CCRT) is a 22 mi paved rail trail located on Cape Cod in Massachusetts.  The trail route passes through the towns of Dennis, Harwich, Brewster, Orleans, Eastham, and Wellfleet.  It connects to the 6-plus mile (10 km) Old Colony Rail Trail leading to Chatham, and 8 miles (13 km) of trails within Nickerson State Park.  It also passes near the end of the Nauset Bike Trail leading to Coast Guard Beach in Cape Cod National Seashore.  Short side trips on roads lead to several other national seashore beaches. New River Trail State Park is a 57.7 mi rail trail and state park located entirely in southwest Virginia, extending from the trail's northeastern terminus in Pulaski to its southern terminus in Galax, with a 5.5 mi spur from Fries Junction on the main trail to Fries. The Old Colony Rail Trail is a paved rail trail located in Harwich and Chatham, Massachusetts.  It occupies the Old Colony Railroad's abandoned Chatham Branch railroad right-of-way.  Most of the trail follows roughly the path of the old railbed, except for deviations around the Chatham Municipal Airport and a utility yard in Harwich.  Its west end connects to the Cape Cod Rail Trail in Harwich at a bike rotary. The Lebanon Valley Rail Trail (LVRT) is a National Recreation Trail.  The rail trail goes from the southwestern border of Lebanon County and goes through Colebrook, Mt. Gretna, Cornwall, and the city of Lebanon.  At the southern border of Lebanon County, Pennsylvania the LVRT connects with the Conewago Trail and continues for another 5.5 mi .  The trail is partly built on the old Cornwall–Lebanon Railroad created by Robert Coleman (industrialist) in the 1880s.  The trail runs 14.5 mi , and there are many phases in development that would extend the trail to northern Lebanon County and Jonestown.  The trail features a packed stone path and paved path at many parts that traverses "Pennsylvania Dutch Country" and other scenic routes.  Trail users see untouched woodlands of state gamelands, forests, and views of area fields and farms.  The trail is maintained by dedicated group of volunteers, and allows for running, walking, biking, horseback riding, and cross-country skiing. Whitetop is an unincorporated community in Grayson County, Virginia, United States.  It is the southern terminus of the Virginia Creeper Trail.  Whitetop is named for nearby Whitetop Mountain, the second-tallest independent mountain in the State of Virginia, behind Mount Rogers.  The town is about four miles northeast of the North Carolina–Tennessee–Virginia Corners. The Junction and Breakwater Trail is a 6 mi long rail trail located on the southwestern side of Cape Henlopen State Park connecting Lewes and Rehoboth Beach, Delaware, United States.  It is the third rail trail built in Delaware and it is the longest in the state.  It follows the former Pennsylvania Railroad Rehoboth Beach branch that once transported passengers to several Methodist resort camps along the Atlantic coast.  The line was abandoned by the Penn Central in the early 1970s.
Answer: southwestern Virginia