I don’t either. I have a “good roads association” road map book for Arizona from 1910. In it they explain a road will be built to the river soon. I guess it proved a little more difficult than first imagined.
A tram to the bottom would be very neat.
Here’s the road (from Peach Springs)to the Colorado.
https://www.youtube.com/watch?v=VQdmFvBOeGw
From that darn Wiki, “...Diamond Creek Road is graded in the river canyon adjacent to, and in some cases, within the streambed of Diamond Creek. Diamond Creek Road provides the only vehicular access to the Colorado River between Lees Ferry, 225 miles upriver and Pierce Ferry, 52 miles downriver.[1] This access makes Diamond Creek a popular location for whitewater rafting trips to take out from trips through the Grand Canyon. Rafting trips also launch from the same location and proceed downriver to Lake Mead. The Hualapai tribal government charges a fee for all vehicles and people traversing the road...”