The River Tay is seventh-longest river in United Kingdom and the longest in the Scotland. 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 focal point of Scotland, at that point southeasterly through Perth, where it winds up tidal, to its mouth at the Firth of Tay, south of Dundee. It is the biggest waterway in the UK by estimated release.
The waterway is of high biodiversity esteem and is a Site of Special Scientific Interest keeping up a leader populace of Atlantic salmon Freshwater pearl mussel and local species, for example, the Eurasian otter. Freshwater pearl mussels are one of Scotland's most jeopardized species and the River Tay has 66% of the world's staying stock.