Situated at the western end of Locust Valley near the headwaters of Locust Creek, in Mahanoy County, Pennsylvania, Locust Lake State Park encompasses 1,144 acres including a 52-acre lake. With the exception of approximately 60 acres located in the immediate area of the dam, the entire park area is forested. Locust Lake State Park is adjacent to the 600 acres of the Weiser State Forest. The park encompasses recreation land for camping, playgrounds, hiking, swimming and nature activities. Approximately 1,045 acres are available for hunting.