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
Swansea, Toronto bordering the Humber river. Swansea also contains a large number of semi-detached houses and bungalows located mostly in the centre of the neighbourhood. The typical house of the area was built between 1905 and 1935. The area of the former Swansea Works area is considerably newer, except for some of the original workers' homes. The Queensway was built in the 1950s through the Swansea Works lands. The area to the south was retained for industry and the area to the north was redeveloped with apartment buildings and townhome developments. The area of the actual factory site has been redeveloped since