Kura (Caspian Sea) emptying into the Caspian Sea at Neftçala. Most of the Kura River runs in the broad and deep valley between the Greater Caucasus and Lesser Caucasus mountains, and the major tributary, the Aras, drains most of the southern Caucasus and the mountain ranges of the extreme northern Middle East. The entirety of Armenia and most of Azerbaijan are drained by the Kura River, but the Kura does not pass through Armenia at all. Also in the Kura watershed are Turkey, Georgia, and a bit of northern Iran. Most of the elevation change in the river occurs within the first .
Danube–Black Sea Canal Danube-Black Sea Canal. Danube–Black Sea Canal The Danube–Black Sea Canal () is a navigable canal in Romania, which runs from Cernavodă, on the Danube river, to Constanța (southern arm, the main branch), and to Năvodari (northern arm), on the Black Sea. Administrated from Agigea, it is an important part of the European canal system that links the North Sea (through the Rhine–Main–Danube Canal) to the Black Sea. The main branch of the canal, with a length of , which connects the Port of Cernavodă with the Port of Constanța, was built between 1976–1984, while the north branch, known as the