River Creek is a planned community in Loudoun County, Virginia, located 40 miles west of Washington, D.C., and 4 miles east of Leesburg at the confluence of the Potomac River and Goose Creek. It was the first gated country club community in the Washington, D.C. metropolitan area. River Creek is a joint venture project of the Tower Companies, Montgomerā¦River Creek is a planned community in Loudoun County, Virginia, located 40 miles west of Washington, D.C., and 4 miles east of Leesburg at the confluence of the Potomac River and Goose Creek. It was the first gated country club community in the Washington, D.C. metropolitan area. River Creek is a joint venture project of the Tower Companies, Montgomery Development, and ClubCorp USA, Inc. River Creek welcomed its first residents in 1997.