And it's worth every bit of the journey to see the waterfalls.
https://fernweh.photo/2016/11/19/supai-arizona/
The helicopter "pad" and the hiking trailhead are themselves many miles from the nearest town. Supai is often claimed to be the most remote town in the 48 contiguous states.
Supai, Arizona [0] is only accessible by helicopter or an 8-mile hike from the nearest road.
[0] https://en.wikipedia.org/wiki/Supai,_Arizona