Yellow Bluff Fort Monument, Jacksonville, FL. Yellow Bluff Fort is located on the northern side of the Saint John\u27s River and is a Florida State Park. There is no visitor center, no staff, nor facilities, but there are cannons and a monument to Confederate troops. This is the Confederate Monument at the Yellow Bluff. The text on the marker is : Dedicated to the memory of the Confederate soldiers who defended Jacksonville, 1861-1865. Yellow Bluff Fort A Confederate earthworks designed and located by General Robert E. Lee as one of a series of forts for the defense of the Saint Johns River. This fort was occupied by both Confederate and Union forces during the course of the war and is today in its original state. Erected by the United Daug...