The Bull Run Mountains are a mountain range of the Blue Ridge Mountains in northern Virginia, located approximately 20 miles east of the main chain, across the Loudoun Valley. The Bull Run Mountains, together with Catoctin Mountain in Virginia and Maryland, make up the easternmost front of the Blue Ridge. The range is home to the Bull Run Mountains Natural Area Preserve, and to residents of the Bull Run Mountain Estates.

Homes on the Mountain vary in size and acreage with some of the most beautiful scenic views including mountains, pastoral and views even as far as to Dulles Airport! With easy access to a multitude of routes including Rt.15, 50 and I-66 making this area a perfect home for those nature lovers but still close for commuting, shopping, dining, parks and schools.