Slot Canyon Atlas

AtlasZion (technical)

Keyhole Canyon

verified 2026-05-12 ACA 3B Moderate flood risk Springdale, UT

Short, beginner-friendly slot with otherworldly subterranean scenery. Common starter Zion technical canyon.

Wetsuit even in heat. Pay close attention to weather; this canyon has a deadly flood history.

Logistics

ManagerNPS Zion National Park
PermitWilderness/canyoneering permit ALWAYS required (rope/rappel descent). Acquired via three Recreation.gov paths: Seasonal Lottery 4 months out in 25-day windows (Nov 1-25 for Jan-Mar, Feb 1-25 for Apr-Jun, May 1-25 for Jul-Sep, Aug 1-25 for Oct-Dec); winners notified the 27th, claim by deadline. Unclaimed spots released the 15th at 10am MT. Daily Lottery 2 days out, apply 12:00am-3:00pm MT, drawing at 3:00pm MT. Fees: $6 non-refundable lottery/application fee, $10 per person refundable recreation fee. Pickup at Zion Visitor Center permits desk day-before or day-of. Max group size: 12.
Distance~1 mi loop
Elevation~250 ft
Time2 hr
Technical3B I. 2-3 short rappels, cold swims.
SeasonLate spring through fall (avoid winter ice)
Flood riskModerate (small drainage, but 2015 flash flood killed 7)
Vehicle accessLot 1 mi east of tunnel on Hwy 9
CrowdHigh
Coordinates37.2197, -112.9203

Sources