Castell Perthi-Mawr
DTM- (Digital Terrain Model, i.e. No buildings or foliage) Overlooking the village of Cilcennin from the SE, 1.3km away sits the bivallate hillfort, Castell Perthi-Mawr. Entrance to the NW. A rock-cut valley approaching the zigzag entrance also is evident on the LiDAR, as well as two extant hut platforms. 2m high banks but filled-in ditches. No recorded finds or excavations, hence undated*. (Scheduled monument) Iron Age tribal association (conjecture based on location): Demetae *Possible age range 2000-2700BP (Before present) Descriptions from hillforts.arch.ox.ac.uk & Dyfed Archaeological Trust HER. 1st ED OS Mapping via National Library of Scotland. Contains public sector information licensed under the Open Government Licence v3.0.