Locust Lake State Park is a Pennsylvania state park on 1,089 acres (4.41 km²) in Ryan Township, Schuylkill County, Pennsylvania in the Unite States. Locust Lake State Park is located approximately 7 miles (11 km) north of Pottsville, 3 miles (5 km) south of Mahanoy City, 8 miles (13 km) west of Tamaqua and 6 miles (10 km) west of Tuscarora State Park. The lake is 52 acres (0.21 km²). The park offers hiking, camping, boating, fishing, swimming, biking, and a wide array of other seasonal activities.