Cardiff in making iron and later steel, brought to the sea by packhorse from Merthyr Tydfil. This was first achieved by the construction of a long canal from Merthyr (510 feet above sea-level) to the Taff Estuary at Cardiff. Eventually the Taff Vale Railway replaced the canal barges and massive marshalling yards sprang up as new docks were developed in Cardiff – all prompted by the soaring worldwide demand for coal from the South Wales valleys. At its peak, Cardiff's port area, known as Tiger Bay, became the busiest port in the world and – for some time – the world's
Cardiff Bay Retail Park Cardiff Bay Retail Park The Cardiff Bay Retail Park in Grangetown, Cardiff was once the site of the Ferry Road landfill site. It was built in around 1997. It is currently home to businesses which include Asda, Boots Group and Argos. The retail park is built on the edge of a former Ferry Road refuse site, which closed in 1994 after being filled with 4 million cubic metres of commercial and domestic rubbish. The ownership of the land passed to Cardiff Bay Development Corporation who created the retail park on an area of industrial units to the east of the