And the name of the second river is Gihon; it is the one encircling the entire land of Cush.

As to the rivers, the Pishon and the Gihon cannot now be identified. This is understandable. If this part of Moses’ description relates to the time before the Flood, the Deluge itself may well have contributed to eliminating or changing the courses of the Pishon and Gihon Rivers. But if the rivers were ones existing in the post-Flood period, other natural phenomena, such as earthquakes, may since have altered their courses.