Bible Dictionary
KIDRON, THE BROOK
The Kidron is the valley running between Jerusalem and the Mount of Olives, usually dry except after rain. It was associated with royal processions, burial places, the removal of idols, and Jesus’ departure from Jerusalem before His arrest.
Biblical Usage
The Kidron was crossed by David when fleeing Absalom and by Jesus with His disciples before His arrest. It was also used for burning idols and removing uncleanness from the temple during reforms under Asa, Hezekiah, and Josiah.