The rear light is the one on the right in this picture. The three Drogheda lighthouses were built to guide ships entering the River Boyne and the port of Drogheda. The surrounding area is being developed, but the lighthouse sites have been set aside as special protected areas.

ARLHS Number: IRE-025
Admiralty Number: A5910.1
Build: around 1880
Construction: cast iron
Height: 8 m