Natural Bridge Battlefield State Historic Site is a Florida State Park in Leon County, Florida. It is located roughly between the city of Tallahassee and the town of St. Marks. During the American Civil War, the Battle of Natural Bridge was fought here on March 6, 1865. The site is named for a natural bridge over the St. Marks River.Recreational ActivitiesThe park has picnicking areas.References and external links Natural Bridge Battlefield State Historic Site at Florida State Parks Natural Bridge Battlefield State Historic Site at Absolutely Florida