Fort Amherst is a neighbourhood in St. John's, Newfoundland and Labrador. It is located at 47°33′48.96″N 52°40′49.60″W / 47.5636000°N 52.6804444°W, on the southern side of the Narrows, the entrance to St. John's harbour. Apart from some family dwellings, Fort Amherst consists of a man-made harbour, a lighthouse and the remains of gun emplacements built during World War II to defend against German U-boats. Two QF 4.7-inch B Mark IV* guns remain in place on their mountings. The name is shared with Port La-Joye / Fort Amherst in Prince Edward Island and Fort Amherst in England.