The Bluemont Junction Trail is a 1.3 miles (2.1 km) rail-trail in Arlington County, Virginia that the Arlington County government constructed along a former branch of the defunct Washington and Old Dominion Railroad. The trail travels through Bluemont Junction Park, connecting Ballston with the Washington & Old Dominion Railroad Trail at Bluemont Junction near Bluemont Park. In Ballston, the trail connects to the Custis Trail and also meets on-street bike lanes that travel to Rosslyn and Washington, D.C., via Fairfax Drive and Clarendon and Wilson Boulevards.