
Visit Date March 2022: Today's walk took me on a journey alongside the river Afon Twrch up to the disused lime kilns at Cwmllynfell.The area is above Swansea and on the southwest border of the Brecon Beacons National Park.South Wales covers seams of limestone and as lime is a highly useful product in a diverse range of industries such as iron smelting, land improving and building,...