Great Falls, VA is located in Faifax County, VA.
Although Great Falls, VA primarily a bedroom community for Washington, D.C., one major attraction is Great Falls Park which overlooks the Great Falls of the Potomac River, for which the community and the park are named. George Washington was involved with building a canal around the falls on the southwest, or Virginia, side, called the Patowmack Canal, which did not become commercially viable.
There are many famous people who live in Great Falls, Virginia, many of whom have been involved in the Washington, D.C. political scene, including Colonel Oliver North. Mary Cheney, daughter of Vice President Dick Cheney, recently moved to Great Falls.