This 367-acre marine camping park features 3,960 feet of saltwater shoreline on Port Townsend Bay. The heavily wooded park has a rich military history dating from pioneer days. The park occupies more than a third of the original Fort Townsend built in 1856 by the U.S. Army for the protection of settlers. Timbers were hewn and laths cut from local forests. The fort was closed between 1859 and 1874, declared "unfit" after an inspection by an army headquarters commander from Columbia. Reopened in 1874, the fort thrived until 1895 when fire destroyed the barracks. The property was used as an enemy-munitions defusing station during World War II. State Parks took custody of the premises in 1953.