Canyons are inherently risky. Flash floods occur without notice on sunny days. Technical skills & surrounding topography knowledge required yet does not eliminate risk.
Access might be available now to Marble Canyon areas with the exception of Tatahatso Point. The Navajonation website appears under construction. Contact Navajo Nation Parks & Recreation for access permit 928-871-6647
Rugged & remote route to an amazing oasis in the desert thru the technical lower narrows of Big Canyon before it drops into the Little Colorado River Gorge and hike out the Salt Trail Canyon back up to your vehicle
Check out the Triplogs.