From Richmond: From I 95 take exit to Rt. 207, Fort A.P. Hill. Head northeast until road becomes Rt. 301. Past the turn off for the town of Dalgren, the welcome center is on the left, just before the bridge which crosses the Potomac into Maryland.
From Maryland and the north: Follow US route 301south across the Harry Nice Bridge over the Potomac River. The welcome center is located on the right, just after the bridge.