Alltygawrddu
Has been described as a Rejected Masonry Castle
There are masonry ruins/remnants remains
| Name | Alltygawrddu |
| Alternative Names | Allt-Y-Gawrddu; St Cawrdaf's Monastry |
| Historic Country | Glamorgan |
| Modern Authority | Rhondda Cynon Taff |
| 1974 Authority | Mid Glamorgan |
| Community | Llantrisant |
Robbed and ruinous remains of a medieval houses, consisting of three wings set about a central courtyard, c.20m N-S by 22m overall. Apparently described as no longer in use by the 1530s. (Coflein)
Not scheduled
Not Listed
The National Monument Record (Coflein) number(s)
County Historic Environment Record
| OS Map Grid Reference | ST056808 |
| Latitude | 51.5187911987305 |
| Longitude | -3.36190009117126 |
| Eastings | 305620 |
| Northings | 180860 |