The Fiery Furnace formation is located 14.2 miles from visitor center on the side of the main park road. You will need a guide for visiting this maze of rock. Check with park rangers at visitor center before hiking there. Six of the best hidden arches you can find in the Fiery Furnace Area are showed below. The largest arch is Surprise Arch with 63 feet lenght sitting in a well-hidden place.
Bench Arch
Inner Sanctum BridgeSand Dune ArchSurprise ArchTwin ArchWalk Thru Bridge