Hob wrote:
That's got to be a serious contender. If there was another (Tresegal West) in the 19thC, since destroyed, maybe there were once other bits as described by Borlase.
According to Burl " Aerial photography recorded what may be a third stone circle " at Tregeasal. This hint about the Manor house could clinch that. If the Manor house was/is anywhere near, then it's even more likely.
