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
Martyrs Bridge (Bamako) palace. From the south of the bridge runs Avenue de l'Unite Africain, the major route from the city centre south to Bamako-Senou Airport. In 1982 a second road bridge, the King Fahd Bridge, was opened just 500 meters upstream. Both bridges connect the central city neighborhood of Commune III with Badalabougou. Prior to the 1950s, the only crossing of the Niger at Bamako was at the Sotuba Causeway, 8 kilometers downstream from the city, which is a low water crossing of cut stone at the location of a natural rapids. The Aigrettes Dam, 200 kilometers upstream, is a hydroelectric station