Greenore is a village, townland and deep water port on Carlingford Lough in County Louth, Ireland. A lighthouse was built on Greenore Point in 1830. Several decades later, the Dundalk and Greenore Railway Act of 1863 authorised the construction of the port and railway. The port was constructed in 1867 to provide links to Heysham and Fleetwood. The …Greenore is a village, townland and deep water port on Carlingford Lough in County Louth, Ireland. A lighthouse was built on Greenore Point in 1830. Several decades later, the Dundalk and Greenore Railway Act of 1863 authorised the construction of the port and railway. The port was constructed in 1867 to provide links to Heysham and Fleetwood. The village was constructed to provide homes for the dock and railway workers of the Dundalk, Newry and Greenore Railway.