Slot Canyon Atlas

AtlasRobbers Roost

Bluejohn Canyon

verified 2026-05-12 ACA 3A Moderate flood risk Hanksville, UT

Made infamous by Aron Ralston's 127-hour ordeal. Beautiful intermediate technical descent.

Logistics

ManagerBLM Hanksville / Henry Mountains Field Station
PermitNo permit or fee required for day-use or technical canyoneering. Dispersed BLM land managed by the Hanksville Henry Mountains Field Station. No developed facilities at the trailheads; pack out everything, no water, no toilets. Contact (435) 542-3461 for current conditions.
Distance~8-12 RT
Elevation~600 ft
Time8-12 hr
Technical3A III. Multiple short rappels, narrow squeezes
SeasonSpring, fall
Flood riskModerate
Vehicle accessLong 4WD approach from Hwy 24
CrowdLow
Coordinates38.323, -110.165

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