Potomac Falls is an unincorporated census-designated place located in Loudoun County, Virginia, part of the Washington Metropolitan Area. Potomac Falls lies along the Potomac River and is in the northern-most portion of Sterling with the ZIP code of 20165. The name for Potomac Falls came from Potomac Falls High School,which opened 1996. Alternately called Potomac Falls or Sterling, the village consists of the communities Glen Heather, Cascades, Countryside, Rivercrest, Potomac Hunt and Great Falls Chase. Development of Potomac Falls began in the early 1990s, and is still in process today. Potomac Falls borders Great Falls and Fairfax County to the southeast and has several shopping areas, schools, and community centers. Potomac Falls is also home to three 18-hole golf courses including the Lowes Island Club and the Potomac Falls High School Panthers.

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