Great Falls is a census-designated place in Fairfax County, Virginia, located in the Washington, D.C. metropolitan area. The community is named after the Great Falls of the Potomac River, which are located nearby and offer a popular spot for hiking and picnicking. Great Falls is known for its affluent neighborhoods and good schools. The town is home to the Great Falls Grange, a historic building that was constructed in the late 19th century and is now used for community events. Great Falls is also home to the Great Falls Park, which offers hiking and biking trails, fishing and boating opportunities, and picnicking areas.