Pen Dinas, Iron Age hill fort in Penparcau, Wales.
Pen Dinas is an Iron Age hill fort in Ceredigion, Wales, set across two summits above the town of Aberystwyth and visible from the coast below. Earthen ramparts link the two peaks and their outlines are still clearly readable on the hillside today.
The northern summit was the first to be fortified, around the 4th century BC, with a second fort built later on the southern peak. Together they formed a two-part system that allowed watch over the surrounding coastal area from two high points.
The name Pen Dinas comes from Welsh and means something like "head of the fort". Walking along the old ramparts today, visitors can still read the shape of the hill and understand how it was carved into a defensive position.
The hill is reachable from Aberystwyth town center along several marked walking paths. The ground is uneven in places and some sections are steep, so sturdy footwear makes the visit much more comfortable.
A Wellington Monument from the 19th century stands on the southern summit right next to a Bronze Age burial mound that predates it by thousands of years. This unexpected pairing of two very different eras on the same hilltop is something many visitors only notice on a second look.
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