Known for its popular camping area, Locust Lake State Park nestles on the side of Locust Mountain. The 52-acre Locust Lake is located between two campgrounds and is surrounded by beautiful forests. Hiking and fishing are popular activities in the 1,089-acre park. A bike trail and a number of hiking trails wind through the park and vary in difficulty to steep and challenging trails for hearty hikers.

The 282 campsites are divided into tent or trailer sites that encircle the lake. Tenting is permitted on the north side of the lake and the trailer facilities are on the south side of the lake. All areas are within easy access to swimming, boating, fishing and hiking. All campsites are in a wooded area and have a parking pad, picnic table, fire ring and a cleared area for camping equipment. There are also a number of walk-in sites. Campground conveniences include modern restrooms and wash-houses with shower facilities. A sanitary dump station is on the trailer side of the lake. Trash/recycling areas are on the north and south sides of the lake.

The 52-acre Locust Lake has a boat launch. Rowboats, canoes and pedal boats are available at the a boat rental concession. Motorboats must display a current boat registration. Non-powered boats must display one of the following boat registration launching permit or mooring permit from Pennsylvania State Parks, available at most state park offices or from the Pennsylvania Fish and Boat Commission.