Swansea Valley yr Ogof Caves, claimed to be the largest show cave complex in Western Europe. South of Abercrave, the valley was formerly a region of heavy industry including coal mining and iron-making and there is plenty of the industrial heritage surviving; the Swansea Canal was built along the valley in the late 18th century to serve the nascent local industries. In 1878 opera singer Adelina Patti made her home at Craig-y-Nos Castle. Swansea Valley The Swansea Valley (), one of the South Wales Valleys, is the name often given to the valley of the River Tawe area in southern Wales, United
River Loughor London airport. The proposal was vigorously resisted locally and was dropped when another airport site was agreed. River Loughor The River Loughor () () is a river in Wales which marks the border between Carmarthenshire and Swansea. The river has its source at an underground lake at the Black Mountain and emerges at the surface from Llygad Llwchwr which translates from the Welsh as "eye of the Loughor". It flows past Ammanford and Hendy in Carmarthenshire and Pontarddulais in Swansea. The river divides Carmarthenshire from Swansea for much of its course and it separates Hendy from Pontarddulais at the point