Waterfall, Virginia is an

unincorporated community An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...

located in Western

Prince William County, Virginia Prince William County is located on the Potomac River in the U.S. state of Virginia. As of the 2020 census, the population sits at 482,204, making it Virginia's second-most populous county. Its county seat is the independent city of Manassas ...

. Waterfall () sits at the foot of

Bull Run Mountains The Bull Run Mountains are a mountain range of the Blue Ridge Mountains in northern Virginia in the United States. Located approximately east of the main chain, across the Loudoun Valley. The Bull Run Mountains, together with Catoctin Mounta ...

, the easternmost front of the

Blue Ridge Mountains The Blue Ridge Mountains are a physiographic province of the larger Appalachian Mountains range. The mountain range is located in the Eastern United States, and extends 550 miles southwest from southern Pennsylvania through Maryland, West Virgin ...

References

Unincorporated communities in Prince William County, Virginia Washington metropolitan area Unincorporated communities in Virginia {{Virginia-stub