Clondalkin (Irish: Cluain Dolcáin, meaning "Dolcan's meadow") is a town situated 10 km west of Dublin, Ireland, in the county of South Dublin. The name is also used in relation to the area's religious parishes.Clondalkin is home to an eighth-century round tower that acts as a focal point for the area. Acknowledged as one of the oldest and best preserved in the country, it is 25.6 metres high and has its original conical cap.