AT Four State Challenge (PA, MD, WV, VA)

Frederick County, Maryland, United States

42.8 miles (68.9 km) · 7,002 ft elevation gain · Point to Point · trail · Route

AT Four State Challenge (PA, MD, WV, VA) is a 42.8 mile point-to-point route located in Frederick County, Maryland, United States. The route climbs 7,002 feet and descends 7,060 feet. The most significant ascent covers 2.9 miles and gains 505 feet. Vertical rate measures 167 feet of gain per mile. 69% of the route can be run, with walking required on steeper grades. Surface conditions are primarily trail. Technical difficulty: very hilly. This route ranks at the 85.86th percentile for difficulty among similar distances. This route serves both trail runners training for ultras and hikers exploring Maryland.