Lake St. George State Park is located 16 miles west of Belfast and 25 miles west of Augusta on the northwest shore of the beautiful Lake St. George. State Route 3 ran parallel and close to the lake, which was originally part of a farmstead. The centerpiece of the park is Lake St. George itself. Some of the park's campsites are located right on the shoreline where a morning cup of coffee can be enjoyed while watching the sun rise over the crystal clear water.

Loons are frequent visitors and their signature call can often be heard at night. The lake is 1,017 acres and numerous undeveloped islands dot the main basin of the lake. Fishing for landlocked salmon and brook trout is a popular sport, and visitors can rent canoes or boats to explore the park's undeveloped shoreline.

The day-use area is a short walk from the camping area where picnic tables and grills are available close to the beach. A lifeguard is on duty. The day-use area has swings, volleyball, basketball, and a sandpit where younger children play. Three to five miles of hiking trails are within walking distance from the campground.