Swansea Canal coal and culm shipped from Swansea Docks suggest around 386,000 tons in 1839. The opening of the Tennant Canal to Swansea Docks in 1824 resulted in the Swansea Canal's riverside wharfs being improved, and tolls were reduced to maintain trade levels. The harbour facilities at Swansea were upgraded in 1852, when the river Tawe was diverted into a new channel to the east, and the original channel, which included the trans-shipment wharfs, became a floating harbour. A lock was constructed to give the canal boats direct access to the half-tide basin above the North Dock, and a loop of the
Swansea waterpark, rebranded the 'LC', and was officially opened by Queen Elizabeth II on 7 March 2008. The Wales National Pool is in Swansea. Swansea has a range of pubs, bars, clubs, restaurants and a casino. Swansea had two casinos until 30 August 2012 when Aspers closed. The majority of city centre bars are situated on Wind Street, with various chains represented including Revolution, Varsity, Yates's and Walkabout. Some venues feature live music. The Mumbles Mile, described by the BBC as "one of Wales's best-known pub crawls" has declined in recent years with a number of local pubs being converted into