The Fort Clinch State Park is a Florida State Park, located on a peninsula near the northernmost point of Amelia Island, along the Amelia River. Its 1100acre include the 19th-century Fort Clinch, sand dunes, plains, maritime hammock and estuarine tidal marsh. The park and fort lie to the northeast of Fernandina Beach at the entrance to the Cumberland Sound.Fort ClinchFort Clinch is a 19th-century brick fortress begun in 1847 after the end of the Second Seminole War. It was named in honor of General Duncan Lamont Clinch, important figure in the First and Second Seminole Wars. The only battle to occur at Clinch was when Union troops recaptured the fort in 1862 after Confederate forces seized control the previous year. Fort Clinch served as the base of Union operations in the area throughout the Civil War.In 1935, the State of Florida bought 256 acres that included the then-abandoned fort and the surrounding area. Fort Clinch State Park including the fort, opened to the public in 1938.Recreational activitiesIn addition to exploring Fort Clinch, activities include pier fishing, sunbathing, hiking, surfcasting, camping, birding, and shelling. Visitors can also enjoy picnicking, swimming, bicycling, beachcombing, and wildlife viewing. Park personnel reenact military life at the fort. Among the wildlife of the park are the rare purple sandpiper, alligators, white-tailed deer, and other birds. Visitors can also see dolphins and manatees.