Ballyloughan Castle
Ballyloughan Castle is a ruined castle and National Monument near Bagenalstown, County Carlow in Ireland. A twin-towered gatehouse, the hall and foundations of one of the corner towers, dating to about 1300, remain.
The castles
Ballymoon Castle
Ballymoon Castle (Irish: Caisleán Baile Muáin) is a National Monument situated 2 miles (3 km) east of Bagenalstown, County Carlow, Ireland. The castle is thought to date from the 13th century.
Carlow Castle
Carlow Castle (Irish: Caisleán Cheatharlach) is located near the River Barrow in County Carlow, Ireland. It was built between 1207 and 1213, and is a National Monument of Ireland.
Castlemore Moat
Castlemore Moat is a motte-and-bailey and National Monument in County Carlow, Ireland.
Clogrennane Castle
Clogrennane Castle is a ruined castle in County Carlow, Ireland, near Clogrennane, about two miles from Carlow on the River Barrow on the county border with County Laois.
Clonmore Castle
Clonmore Castle is a 13th century Anglo-Norman castle located in Clonmore, County Carlow, Ireland. The castle is roughly square in plan with rectangular towers at the southern sides of the courtyard. Due to a lack of heritage preservation, most of the castle is now covered in ivy, and large gaps have appeared in the north and west walls.
Huntington Castle, Clonegal
Huntington Castle, also known as Clonegal Castle, is a castle in Clonegal, County Carlow, Ireland, built in 1625. It is now a private house open to the public for guided tours throughout June, July, August and September.
Leighlinbridge Castle
Leighlinbridge Castle, also called Black Castle, is in the village of Leighlinbridge, County Carlow, Ireland, on the River Barrow. The early castle was built c.1181 for the Normans. In the 1540s a Carmelite friary was converted into a new fort by Edward Bellingham.
Tinnahinch Castle
Tinnahinch Castle (Irish: Caislean Tigh na hInse) is a ruined tower house located near River Barrow in Tinnahinch, County Carlow, Ireland. It has a rectangular structure with a stair tower at the southwest angle, a machicolation between the angles of the two towers protecting the doorway, and a bartizan on the north east angle.
Descriptions are Wikipedia's own opening lines, used under CC BY-SA 4.0 with a link to each article; the list and the coordinates come from the same place. Nothing here is a guide to access — many of these are private homes or stand in private fields.
Older than the castles
What stood in Carlow before anybody thought of building a keep.