Two of the four rivers mentioned in the account ​ — the Euphrates and the Tigris, or Hiddekel — ​ flow today, and some of their source waters are very close together.
Divas no pieminētajām upēm, Eifrata un Tigra jeb Hidekela, plūst vēl šodien, un daži no ūdens avotiem, kas veido šīs divas upes, atrodas pavisam tuvu kopā.