Dragon well
Dragon Well (also called the Jackal Well or Fountain of the Dragon) was a spring or pool in the vicinity of Jerusalem mentioned in Nehemiah 2:13 as a landmark along the route of Nehemiah's nocturnal inspection of Jerusalem's broken walls. The text records that he rode "by night by the Valley Gate to the Dragon Well and to the Dung Gate, examining the walls of Jerusalem that were broken down and its gates that had been destroyed by fire."
The site's precise identification is uncertain. Some scholars propose En-rogel in the Kidron Valley near the junction with the Hinnom Valley; the ISBE suggests the possibility of its identification with the Pool of Gihon (though this is unlikely given Gihon's different position). The name may derive from a serpent or dragon motif associated with the water source, which is unrecorded in the text. Its function in the narrative is purely topographic, helping orient the reader to Nehemiah's route around the southern portion of the ancient city.