Fort St. Philip

Fort St. Philip
Fort St. Philip in the U.S. Civil War
LocationPlaquemines Parish, Louisiana, US
Nearest cityTriumph, Louisiana
Coordinates29°21′50″N 89°27′51″W / 29.36389°N 89.46417°W / 29.36389; -89.46417
Built1746
NRHP reference No.66000380
Significant dates
Added to NRHPOctober 15, 1966
Designated NHLDecember 19, 1960

Fort St. Philip is a historic masonry fort located on the eastern bank of the Mississippi River, about 40 miles (64 km) upriver from its mouth in Plaquemines Parish, Louisiana, just opposite Fort Jackson on the other side of the river. It formerly served as military protection of New Orleans, some 80 miles (130 km) up the river, and of the lower Mississippi River.