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, Toronto nature. The waters of Grenadier Pond, Rennie Pond and the Humber River all are at or near the level of Lake Ontario. The majority of the lands of 'upper' Swansea are 30 to 40 feet higher than this, with steep hillsides along Grenadier Pond, Humber River and Rennie Pond. The Swansea Village corporate seal reveals a great deal about the colourful history of the neighbourhood. Included on the Swansea seal is explorer Étienne Brûlé, who in 1615 became the first European to set foot on what is now Swansea and also shown is a First Nations member. This is symbolic