Water level drops dramatically in Iraq's Tigris river
Tigris–Euphrates river system
IRAQ: SADDAM HUSSEIN SWIMS ACROSS TIGRIS RIVER
Bodies of IS fighters still litter western bank of Tigris River
Baghdad, Iraq, River Tigris, early 1920's. Archive film 33591
The Tigris is the eastern member of the two great rivers that define Mesopotamia, the other being the Euphrates. The river flows south from the mountains of southeastern Turkey through Iraq and empties itself into the Persian Gulf.