Scheduled Monuments in Pembrokeshire Scheduled Monuments in Pembrokeshire Pembrokeshire is the fifth-largest county in Wales, but has more Ancient Monuments (526) than any except Powys. This gives it an extremely high density of monuments, with 33.4 per 100km2. (Only the tiny County Boroughs of Newport and Merthyr Tydfil have a higher density). With three-quarters of its boundary being coastline, Pembrokeshire occupies the western end of the West Wales peninsular, terminating with the tiny cathedral city of St David's. It was a historic county in its own right but between 1975 and 1996 it joined Carmarthen and Ceredigion in the much larger county of Dyfed.
Templeton, Pembrokeshire a regular system of fields, which themselves still show the narrow strips representing recent enclosures from an extensive medieval "open field" agricultural field system. It is not certain that the Templars were responsible for creating the planned settlement. It is possible that this was done by Mortimer incorporating an earlier agricultural holding or farm established by the Templars. It was once a marcher borough. Owen, in 1603, described it as one of nine Pembrokeshire "boroughs in decay". In the 17th century Narberth Mountain was stocked with Red Deer and covered of woodland. The Pembrokeshire county history records also show open