Euphrates River in Southern Iraq Credit: Aziz1005/Wikipedia/Creative Commons 4.0 At 1,739 miles (2,800 km) in length, the Euphrates is the longest river in Western Asia. Map of the Euphrates and Tigris River basin Credit: Karl Musser, Wikipedia, CC BY-SA 2.5 Originating in Turkey, the river is the lifeline for Syria and Iraq. Along with the Tigris River, the two define what is known as the Mespotamia basin. This is the area of the world, where Abraham was born and where the nation of Babylon was founded. Partially because of this, the Euphrates is the most mentioned river in the Bible. The first reference is actually found in the book of Genesis where the Euphrates and the Tigris are described as two of the four rivers that broke off from the main river the flowed out of the Garden of Eden (Genesis 2:14). The other two mentioned were the Pishon and Gihon. While, they have since been lost to history, recent satellite scans have uncovered the remains of a dry river bed that once flowed through …