page_title: Smiths Falls
section_title: Building of the Rideau Canal
hierarchical_section_title: Smiths Falls / History / Building of the Rideau Canal
caption_attribution_description: Smiths Falls, Ontario
context_page_description: Smiths Falls is a town in Eastern Ontario, Canada, with a population of 8,780 according to the 2016 census. It is in the Census division for Lanark County, but is separated from the county. The Rideau Canal waterway passes through the town, with four separate locks in three locations and a combined lift of over 15 metres.
  The town's name was sometimes alternatively spelled "Smith's Falls" or "Smith Falls", but "Smiths Falls" is now considered correct.
context_section_description: At the time of construction of the Rideau Canal a small settlement had been established around a mill operated by Abel Russell Ward, who had bought Smyth's land. Colonel By ordered the removal of Ward's mill to make way for the canal. He settled with Ward for £1,500, one of the largest claims made by mill owners on the canal.
  The disruption of industry caused by the building of the canal was only temporary, and Smiths Falls grew rapidly following construction. An article in Smith's Gazetteer in 1846 described the town as a "flourishing little village pleasantly situated on the Rideau River and on the Canal, fourteen miles (23 km) from Perth. It contains about 700 inhabitants. There are fifty dwellings, two grist mills (one with four run of stones), two sawmills, one carding and fulling mill, seven stores, six groceries, one axe factory, six blacksmiths, two wheelwrights, one cabinet maker, one chair-maker, three carpenters, one gunsmith, eleven shoemakers, seven tailors, one tinsmith and two taverns."
  A 36-foot (11 m) drop in less than a quarter of a mile posed an obstacle to navigation at Smiths Falls. A natural depression to the south of the river was used to create a flight of three locks, known as Combined Lockstation today. The natural course of the river was dammed to create a basin upstream of the locks. At the upper end of the basin a fourth (detached) lock was constructed.
  A mile below the Combined Lockstation is a flight of two locks called the Old Slys Lockstation. This station is named for the original settler at this location, William Sly. A dam and waste weir control water levels upstream of the locks.
  Defensible lockmasters' houses were built at all three stations in Smiths Falls. The house at Old Slys was built in 1838 and the houses at Combined and Detached around 1842. Only the house at Combined has a second storey, which was added late in the 19th century. The defensible lockmaster's house at Detached Lockstation was torn down in 1894.
caption: Rideau River in Smiths Falls
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