What is Topheth?

This is what I will do to this place and to those who live here, declares the Lord. I will make this city like Topheth. The houses in Jerusalem and those of the kings of Judah will be defiled like this place, Topheth—all the houses where they burned incense on the roofs to all the starry hosts and poured out drink offerings to other gods.” Jeremiah 19:12
            Topheth was a section on the outskirts of Jerusalem where idol worshipers practiced their religion.  They worshiped gods like Molech and Baal, through drink offerings, burning incense and sacrificing their own children in fire.  It was there they He practiced witchcraft, divination, and sorcery, and consulted mediums and spiritists.  It’s where the “high places” of worshiping other gods occurred.  The practices of evil in Topheth many Jewish kings knew about but never stopped.  This is what made God angry.
            In the area of Topheth was the Valley of Hinnom (or Gehenna) where fires burned around the clock and made some draw parallels to hell because of its evil.