Big Cypress State Park (Bienville Parish) is an undeveloped property of the Louisiana State Parks System that contains numerous old growth cypress with an average age of 1500 years old. The property is bisected by Saline Bayou which widens into a swamp. Button bush and swamp maple represent understory species. The posted cypress is about 8 feet in diameter. http://www.wlf.louisiana.gov/sites/default/files/natural_area_newsletter-march_2006.pdf