Cacapon River (kuh-KAI-puhn), c.115 mi/185 km long; rises in S Hardy co., NE W.Va., as Lost R., flows c.25 mi/40 km NNE, submerged as an underground stream for c.5 mi/8 km, then emerges just W of Wardensville as Cacapon R.; then flows c.85 mi/137 km NNE to the Potomac R. at Great Cacapon village; 39°04'N 78°38'W. Lost R. State Park (c.3,712 acres/1,502 ha) is 2 mi/3.2 km W of the upper Lost R., with camping, picnicking, and recreational facilities and mineral springs.
