River Tay
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.
River Fal
Tributaries of the River Fal include the  Truro River, River Kennal,  Penryn River and Carnon River. Several tidal creeks discharge into the River Fal including Mylor Creek, Pill Creek, Penpol Creek and Restronguet Creek. The river flows through the Carrick Roads, a large ria that creates a natural harbour. The waterway is navigable between Falmouth and Truro. The river is crossed by the King Harry Ferry, a vehicular chain ferry that links the villages of Feock and Philleigh approximately equidistant between Truro and Falmouth.