Castell Cossan
Has been described as a Questionable Timber Castle (Motte)
There are earthwork remains
| Name | Castell Cossan |
| Alternative Names | Eglwys Fair a Churig; Castell Coshan; Parc Castell |
| Historic Country | Carmarthenshire |
| Modern Authority | Carmarthenshire |
| 1974 Authority | Dyfed |
| Community | Llanboidy |
A sub-circular mound, about 14m in diameter and 3.0m high, set within a roughly 32m diameter ditch. (source Os495card; SN22NW12) Traces of rectilinear enclosures/features to the north-west may be associated with apparently modern, relict field boundaries. (Coflein as U mound)
Included by CADW under SAM Cm134 as a round barrow. (Dyfed Archaeological Trust HER as motte)
Not scheduled
Not Listed
The National Monument Record (Coflein) number(s)
County Historic Environment Record
| OS Map Grid Reference | SN202267 |
| Latitude | 51.9104499816895 |
| Longitude | -4.6147198677063 |
| Eastings | 220240 |
| Northings | 226780 |