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
Richard Martin (Mayor of Swansea) to the zinc works, which still operate today, until his death. He started up the Birch Grove iron works in 1881 and bought the Ynys-pen-llwch tin works in 1884. Martin served the town council 1884-1910 as member and alderman, becoming mayor 1898-9. He was also chairman of the education committee for six years. In this time, he strived to have the University College of South Wales situated in Swansea, however Cardiff was ultimately chosen as its site. He nevertheless succeeded in ensuring the establishment of a technical school, which later became the technical college, in Swansea. Martin then strove to