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 Rail Bridge the bridge from Newport, the branch line was reconstructed for a distance of half a mile eastward. When combined with the £350,000 cost of the first Tay Bridge, the North British Railway had spent roughly a million pounds to bridge the Tay. Prior to entering service, the completed structure was subjected to an extensive examination by inspectors working for the Board of Trade. Being keen to avoid a repeat of the disaster of the first Tay Bridge, the second bridge was subjected to stringent testing, which in some cases simulated conditions that were far in excess of any were ever