Yellow Bluff Fort Historic State Park, Civil War earthwork fortification in Jacksonville, United States

Yellow Bluff Fort Historic State Park is a Florida State Park near the mouth of the St. Johns River, a mile south of State Road 105 on New Berlin Road in Jacksonville's Northside area. Despite its name, the site was an armed and fortified camp rather than a fort, built in early 1862 and holding over 350 personnel at times. It was added to the National Register of Historic Places on September 29, 1970.

Yellow Bluff Fort was not a fort but an armed and fortified camp built in early 1862 by Confederate forces to protect shipping supply lines to Jacksonville and through the St. Johns valley from Union attacks. It held over 350 personnel at times and remained in use until the end of the Civil War. The site was added to the National Register of Historic Places on September 29, 1970.

The site was an armed and fortified camp rather than a fort, built in early 1862 and held until the end of the Civil War; at times it housed over 350 personnel. Visitors can picnic inside a reproduction of a Confederate and Union troop encampment, and each year the park hosts a day of illustrated presentations and living-history demonstrations.

There is no entrance fee and the park stays open 24 hours a day. It lies near the mouth of the St. Johns River, one mile south of State Road 105 on New Berlin Road in Jacksonville's Northside. Visitors can picnic in a reproduction of a Confederate and Union troop encampment.

Despite its name, Yellow Bluff Fort was never a fort: it was an armed and fortified camp built in early 1862 that at times held over 350 personnel, and it stayed in use until the end of the Civil War. It was listed on the National Register of Historic Places on September 29, 1970.