Corn Du the last ice age by ice scouring out hollows below the peaks, the water being partly dammed by moraines of rock debris carried down by ice action subsequent to plucking and frost shattering. Corn Du Corn Du is a mountain immediately to the southwest of Pen y Fan and the second highest peak in South Wales at 873 m (2,864 ft), situated in the Brecon Beacons National Park. The summit itself is marked by a well structured Bronze Age cairn with a central burial cist like that on nearby Pen y Fan. The two summits are visible from great distances
Pen-y-clawdd with the inscription "Success to this City". A major restoration of the church was undertaken in 1885/86 and included the raising of the tower by about and the removal of chancel benches, the nave box pews and benches, and the two-decker pulpit and reading desk. A sepulchral slab, dated from the 14th Century, was discovered at this time. Pen-y-clawdd House, a third of a mile south-east of the village, is described by Newman as "notable only for the plain but nobly scaled red brick arch, dated May 1861." Pen-y-clawdd Pen-y-clawdd is a village in Monmouthshire, south east Wales, situated between