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").
Pen-y-Pass Pen-y-Pass Pen-y-Pass is a mountain pass in Snowdonia, Gwynedd, north-west Wales. It is a popular location from which to walk up Snowdon, as three of the popular routes (the Miners Track, the Pyg Track and the ascent via Crib Goch) can be started here. Glyder Fawr, to the north, is also accessible from here. Situated at the high point of the Llanberis Pass at an altitude of , the road was built in the 1830s to allow ore from the mines on Snowdon to be transported to Llanberis. It would be taken down the Miners Track to a store-house at