River Tay River Tay The River Tay () is the longest river in Scotland and the seventh-longest in the United Kingdom. The Tay originates in western Scotland on the slopes of Ben Lui (), then flows easterly across the Highlands, through Loch Dochart, Loch Iubhair and Loch Tay, then continues east through Strathtay (see Strath), in the centre of Scotland, then southeasterly through Perth, where it becomes tidal, to its mouth at the Firth of Tay, south of Dundee. It is the largest river in the UK by measured discharge. Its catchment is approximately , the Tweed's is and the Spey's is
Tay Canal less than 2.1 metres above the waterline but taller than , the vessel's operator will have to have the Beckwith Street Bridge swung open to get into the Perth basin. Vessel operators should mention this to the lock staff at Beveridges who can advise when the bridge will swing. Tay Canal The Tay Canal is the portion of the Tay River in the Eastern region of Southern Ontario, providing a connection between the town of Perth and the Rideau Canal at Beveridge Bay on Lower Rideau Lake. The canal is 9.8 km (6.1 mi) in length and is operated today