Wikipedia
Buarth-y-Gaer
Buarth-y-Gaer is an Iron Age hillfort or enclosure on the summit of Mynydd-y-Gaer, above sea level. It is in Briton Ferry community, near Neath, in Neath Port Talbot, South Wales. A large hilltop enclosure is bounded by a single bank and ditch. Within the enclosed area is a Bronze Age burial mound.