The Little Cacapon River is a 25.1-mile-long (40.4 km) free-flowing tributary of the Potomac River in the center of Hampshire County, West Virginia. Via the Potomac River, its waters are part of the Chesapeake Bay watershed, leading to the Atlantic Ocean. The Little Cacapon enters the Potomac at an elevation of 499 feet (152 m) near the community of Little Cacapon. For the majority of its course the Little Cacapon is a shallow non-navigable stream. It has been historically referred to as both Little Cacapehon and Little Capecaphon. The name is pronounced kə-KAY-pən or KAY-pən.