River Tay Dochart until it flows into Loch Tay at Killin. The River Tay emerges from Loch Tay at Kenmore, and flows from there to Perth which, in historical times, was its lowest bridging point. Below Perth the river becomes tidal and enters the Firth of Tay. The largest city on the river, Dundee, lies on the north bank of the Firth. On reaching the North Sea, the River Tay has flowed from west to east across central Scotland. The Tay is unusual amongst Scottish rivers in having several major tributaries, notably the Earn, the Isla, the River Tummel, the Almond and
Lough Tay Lough Tay Lough Tay (Irish: "Loch Té"), commonly called The Guinness Lake, is a small but scenic lake set on private property, in the Wicklow Mountains in County Wicklow, Ireland. It lies between the mountains of Djouce and Luggala, and is most easily viewed from above, from the R759 or the Wicklow Way as it descends past the J. B. Malone memorial. It is fed by the Cloghoge River, which then drains into Lough Dan to the south. It is not possible to visit Lough Tay without prior permission. The name is believed to derive from the Proto-Indo-European root *"teh₂w-",