Cameron Run Regional Park is located across the river from Washington in Alexandria . The main attraction is the fantastic water park with a wave pool, 3-flume water slide, water playground, lap lanes and raft rental. There is also a bathhouse and snack bar. The water park is open Memorial Day through Labor Day. Other park features include a deluxe miniature golf course, batting cage, picnic shelter (available for rental), and a fishing pond. The batting cage and miniature golf course are open mid-March through October.