Corn Du 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 owing to their height above the surrounding moorland, and are famous landmarks. The views from the peaks are also panoramic and very extensive, the Black Mountain and Fforest Fawr being especially obvious to
St Martin's Church, Pen-y-clawdd Grade II* listed building, its listing recording the "fine barrel roofs" dating from the 15th century. St Martin's Church, Pen-y-clawdd The Church of St Martin, Pen-y-clawdd, Monmouthshire, Wales is a parish church with Norman origins which was rebuilt in the 15th century. It is located on the site of an early Welsh defensive earthwork. The church was restored in 1884-85. It remains an active church in the parish of Llangovan with Pen-y-clawdd. It is a Grade II* listed building. The church dates from the Norman period but is located on the site of an earlier earthworks. The present building was