Carrickmacross (Irish: Carraig Mhachaire Rois, meaning 'rock of the wooded plain') is a town in County Monaghan, Ireland. The population was 5,745 at the 2022 census, making it the second-largest town in the county. Carrickmacross is a market town which developed around a castle built by the Earl of Essex in 1630. The town is 20km west of Dundalk and 75km north-north-west of Dublin city centre and 106km south west of Belfast. Carrickmacross won the European Entente Florale Silver Medal Award in 1998.
