Pen-y-crug from the edge of Brecon via Maen-du Well. The upper slopes are open access for walkers. A small car park off the minor road to its north provides a convenient starting point for many walkers. The summit is crowned by an impressive Iron Age hillfort, one of several in the Usk Valley. There are the remains of a brick and tile works dating from Victorian times on its southeastern flank. Pen-y-crug Pen-y-crug is a hill in the Brecon Beacons National Park in the county of Powys, south Wales. It is commonly referred to locally as simply 'The Crug' ("pronounced cree-g").
Chwarel y Fan Chwarel y Fan Chwarel y Fan is a peak in the Black Mountains in south-eastern Wales. It is the highest rise on the long ridge which extends southeastwards from Rhos Dirion. The ridge continues southeastwards to the lesser summit of Bal-Mawr whose top is adorned by a trig point at above sea level. A further 1 km southeast along the ridge is the lesser top of Bal-Bach at a height of just over . Chwarel y Fan is the county top of the historic county of Monmouthshire, and is also the highest point in the current local government area of