Another option is used in Arches. For Fiery Furnace, if you want to go in without a ranger-led guided tour, you need to pay $6 for a permit, and there are a max

Another option is used in Arches. For Fiery Furnace, if you want to go in without a ranger-led guided tour, you need to pay $6 for a permit, and there are a maximum number issued. In addition, you need to watch an orientation video and then answer some basic questions about it. It's trivial for those who are interested but might limit the place getting flooded at least.