Slot Canyon Atlas

AtlasZion (technical)

Heaps Canyon

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

The big one. Long unrelenting potholes, swims, and a breathtaking 285-ft finale rap visible from Emerald Pools.

Expert-only. Wetsuit required. Hypothermia is the biggest hazard.

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~14 mi
Elevation~3000 ft
TimeUsually 2 days
Technical4B R V. 30+ rappels including a 285-ft free-hanging finale into Emerald Pools.
SeasonSummer, early fall
Flood riskHigh
Vehicle accessWest Rim TH
CrowdVery low
Coordinates37.2858, -112.9583

Sources