Valley, chiefly in Virginia, U.S. The valley is about 150 mi (241 km) long and 25 mi (40 km) wide, extending southwest from Harpers Ferry, W.Va.
It lies between the Alleghenies . It is drained by the Shenandoah River. The route of the famous 19th-century Valley Turnpike (also now an interstate highway) was early used by Native Americans and later became a main artery for westward expansion. The Shenandoah Valley was the scene of military operations throughout the {{link=American Civil War">American Civil War ; today its many parks, limestone caverns, and scenic drives are tourist attractions.