Entry Name: Castell Gwylan
Listing Date: 23 April 1998
Last Amended: 23 April 1998
Grade: II
Source: Cadw
Source ID: 19744
Building Class: Domestic
ID on this website: 300019744
Location: On the banks of the Menai Strait, SE of Porthamel Hall.
County: Isle of Anglesey
Community: Llanddaniel Fab
Community: Llanddaniel Fab
Locality: Porthamel
Traditional County: Anglesey