State Park is a state park located in Hardy County
, West Virginia
near the community of Mathias. The park encompasses 3,712 acres (15.02 km2) managed by the West Virginia Division of Natural Resources. Despite the name of the park, it actually does not abut the Lost River; it actually lies about 2.3 miles (3.7 km) west of the river.
The park features a selection of twenty-six vacation cabins. It also provides hiking trails, horses, a swimming pool, and other sports facilities that include tennis, badminton, volleyball, and archery. Lost River State Park includes the historic Lighthorse Harry Lee Cabin (c. 1800), which is listed on the National Register of Historic Places. The park is located near the site of the 1756 Battle of Lost River, a skirmish between Virginia militia and a band of French and Indian warriors, during the French and Indian War.