The answer is: Mount of Olives

2 Kings 23:13

In 2 Kings 23:13, the "mount of corruption" traditionally points to the Mount of Olives, a site laden with layers of historical and religious significance. King Josiah's actions in this verse highlight his fervor for reform in Judah and his efforts to eradicate idolatry, striking a stark contrast to the once-revered Mount that had fallen to corruption through pagan worship.

The Mount of Olives is one of the most emblematic locations in biblical text. Situated just east of Jerusalem, it's notable not just for 2 Kings but also for Jesus' poignant moments, including his prayers and discussions with his disciples, echoing the sacredness entwined with the mountain. Interestingly, it’s believed that this same hill offers the world's best view of Jerusalem, linking natural beauty with spiritual reflection — what a remarkable coincidence!

Trivia buffs might jump for joy knowing that the Garden of Gethsemane rests at the foot of the Mount of Olives, a setting where dramatic moments unfolded during the passion narrative. Moreover, the Mount's association with prophetic visions is evident in texts like Zechariah 14, where it plays a part in eschatological moments when hope is intertwined with renewal and redemption. Thus, the Mount of Olives serves as a vivid backdrop steeped in history, calling to root out corruption while inviting future promise.