Mynydd y Garreg Tower

Ruins of a circular tower of rubble stone which diminishes in girth by stepping in 3 times. The top appears to have been levelled-off to make parapets, with coping stones on edge. Doorway to S side with dressed stone jambs, mainly missing to L. The doorhead is missing but a dressed stone tablet has been inserted above which reads 'This Roman pharos was restored by Llewelyn ... Baron Mostyn in commemoration of the 60th year of the glorious reign of Victoria, Queen and Empress, June 20th 1897'. The 2nd stage has rectangular openings to the N and NE sides. Both have lost their heads but a timber lintel has been inserted above the former. Between these openings to the 3rd stage is a recess. At the top, around the N half, are the remains of 4 small square openings with stone sills and lintels (some lintels missing), possibly look-out holes.

The doorway has splayed jambs and the walls are very thick. To the E and W sides of the 1st stage are pairs of very deep sockets, but the opposing pairs are not aligned with each other. Further sockets and recesses to upper stages. There was formerly a staircase.