Observer Name
UAC Staff/Alta Snow Safety
Observation Date
Wednesday, July 2, 2025
Avalanche Date
Monday, December 23, 2002
Region
Salt Lake » Big Cottonwood Canyon » Sunset Peak
Location Name or Route
Sunset
Elevation
10,200'
Aspect
Northwest
Slope Angle
36°
Trigger
Skier
Avalanche Type
Hard Slab
Avalanche Problem
Persistent Weak Layer
Weak Layer
Facets
Depth
2'
Width
30'
Vertical
80'
Caught
1
Carried
1
Comments
Lodge employee triggered an avalanche that broke 20' above him. Alta patrol responded and ski cut the hangfire an additional avalanche 2'-3' deep x 100' wide failing on facets.
Coordinates