Avalanche

Avalanche: Big Cottonwood Canyon

UAC StaffSalt Lake
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Avalanche

Weak Layer
Facets
Trigger Type
Natural
Avalanche Type
Hard Slab
Slab Thickness
61 cm
Avalanche Problem
Persistent Weak Layer
Start Zone Elevation
2957 m

  • Willows -9,200' east aspect 35°-40° slope- natural hard slab avalanche failed on facets 2' deep x 400' wide x 800' (potentially triggered on 12/8/04)
  • Big Water 9,600' east aspect 35° slope natural hard slab avalanche failed on facets 2' deep
  • Desolation Lake - 9,600' elevation north aspect 40° slope natural hard slab avalanche failed on facets 2' deep x 300' wide x 500' vertical
  • Beartrap - 9,600' elevation west facing aspect 35° slope natural hard slab avalanche failed on facets 2' deep x 100' wide x 500' vertical
  • Stair's Gulch - 10,000' elevation northeast aspect 40° slope natural hard slab avalanche failed on facets 2' deep x 500' wide x 2000' vertical