River Tay
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The River Tay is the longest river in Scotland and the seventh-longest in Great Britain. 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, 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 United Kingdom by measured discharge. Its catchment is approximately 2,000 square miles, the Tweed's is 1,500 sq mi (3,900 km2) and the Spey's is 1,097 sq mi (2,840 km2).
Looking upstream (north) along the Tay from the centre of Perth. In view are St Matthew's Church and Perth Bridge
Catchment of the River Tay within Scotland.
Catchment of the River Tay.
Tributaries of the River Tay.
Longest rivers of the United Kingdom
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This is a list of the longest rivers of the United Kingdom.
The Severn Bridges crossing near the mouth of the River Severn
The River Thames in London
The River Tay in Perth, by measured flow the largest in Great Britain