Map of Castles in County Down
County Down's best-known castles are Belfast Castle, Carrickfergus Castle and Dundrum Castle. The oldest with a known date is Clough Castle, from 1000. Department for Communities looks after one castle in the county.
21
castles
1000
oldest dated
All 21 castles in County Down
Belfast Castle
Built 1879
Carrickfergus Castle
County Down, Northern Ireland
Dundrum Castle
Built 1180 · Department for Communities
Greencastle
County Down, Northern Ireland
Kilclief Castle
County Down, Northern Ireland
Killyleagh Castle
County Down, Northern Ireland
Quintin Castle
Built 1859
Ardglass Castle
County Down, Northern Ireland
Bright Castle
County Down, Northern Ireland
Castle Upton
County Down, Northern Ireland
Clough Castle
Built 1000
Jordan's Castle
County Down, Northern Ireland
Kirkistown Castle
Built 1649
Mahee Castle
Built 1570
Sketrick Castle
Built 1599
Audley's Castle
County Down, Northern Ireland
King's Castle
County Down, Northern Ireland
Margaret's Castle
County Down, Northern Ireland
Portaferry Castle
Built 1599
Quoile Castle
County Down, Northern Ireland
The New Castle
County Down, Northern Ireland