| 释义 |
- See also
{{unreferenced|date=June 2015}}{{Infobox SSSI
|name= Caeau Blaen-bydernyn
|image=
|image_caption=
|aos= Carmarthenshire
|interest= Biological
|gridref={{gbmappingsmall|SN5588643958}}
|coordinates= {{coord|52.075177|-4.1042313|display=title,inline}}
|displaymap= Wales
|area= 10.42 ha
|notifydate=19 March 1998
|enref=
}}Caeau Blaen-bydernyn is a Site of Special Scientific Interest in Brecknock, Powys, Wales. See also- List of Sites of Special Scientific Interest in Brecknock
{{UK-SSSI-stub}}{{Powys-geo-stub}} 1 : Sites of Special Scientific Interest in Brecknock |