Yellow Bluff Fort Historic State Park is a Florida State Park in Jacksonville, Florida. It is located near the mouth of the St. Johns River, a mile south of State Road 105 on New Berlin Road, in the cities Northside area. On September 29, 1970, it was added to the U.S. National Register of Historic Places. History Yellow Bluff 'Fort' was not a fort at all, but instead an armed and fortified camp constructed during the Civil War. It served to protect shipping supply lines to Jacksonville and through the St. Johns valley from Union attacks. The camp was built in early 1862, holding over 350 personnel at some points of its existence, which lasted until the end of the war. Recreational activities Visitors can picnic in an authentic reproduction of a Confederate and Union troop encampment. Special events Every year, the park has a day of illustrated presentations and living history demonstrations showing the historical and cultural significance of the area. Admission and hours There are no entrance fees. The park is open 24 hours a day. References External links Yellow Bluff Fort Historic State Park at Florida State Parks Yellow Bluff Fort Historic State Park at State Parks Duval County listings at National Register of Historic Places Duval County listings at Florida's Office of Cultural and Historical Programs Yellow Bluff Fort Historic State Park - plans at Florida Department of Environmental Protection Yellow Bluff State parks of Florida National Register of Historic Places in Jacksonville, Florida Parks in Jacksonville, Florida Protected areas established in 1970 Yellow Northside, Jacksonville 1970 establishments in Florida American Civil War on the National Register of Historic Places