This river flows about 1,150 miles from Lake Hazar in Turkey through Baghdad, on its way to the Persian Gulf
... 
South of Baghdad where their courses again separated, a more complicated... [DOC] [TLE] Unique Facts About the Middle East: The Tigris and Eurphrates [PAR] The Tigris is approximately 1,800 km (1,150 miles) long, rising in the Taurus 
Mountains of ... form the Shatt al-Arab waterway, which empties into the Persian 
Gulf.