Slot Canyon Atlas

AtlasZion (technical)

Imlay Canyon

verified 2026-05-12 ACA 4B High flood risk Springdale, UT

Advanced classic. Long unrelenting narrows finishing with Imlay Falls rappel into the Zion Narrows.

Do Imlay before Heaps. Advanced pothole escape skills required.

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: 6.
Distance~9 mi
Elevation~2300 ft
Time9-18 hr or overnight
Technical4B IV R. 18-23 rappels, keeper potholes, prolonged cold water exposure.
SeasonSummer, fall
Flood riskHigh
Vehicle accessWest Rim TH
CrowdVery low
Coordinates37.27, -112.95

Sources