This 79.8-acre park, located at NE 76th and N. Antioch, is the pride of the Gladstone Parks System. This park offers 5 lighted ball fields, 4 soccer fields, 4 lighted tennis courts, a basketball court, 3 playgrounds, restrooms, drinking fountains and a 1.3-mile fitness trail that circles the park. Two shelters are available for rent for a picnic, birthday party, family reunion, group meeting, etc. The large shelter at Happy Rock is located on the west side of N. Antioch. It features 8 picnic tables, electricity, restrooms, a water fountain, and a playground. The small shelter at Happy Rock is located on the east side of N. Antioch Road. It features 3 picnic tables, restrooms, a water fountain, and a playground. Grills are not available at either of these shelters, but you are more than welcome to bring your own. This shelter is rented in 4 hour blocks: 7:00 a.m.-11:00 a.m., 12:00 Noon to 4:00 p.m. and 5:00-9:00 p.m.