Observer Name
Bruce Tremper & The Snowy Torrents & UAC Staff
Observation Date
Saturday, June 27, 2026
Avalanche Date
Sunday, February 15, 1987
Region
Salt Lake » Big Cottonwood Canyon » Brighton Perimeter » Figure 8 Hill
Location Name or Route
Twin Lakes Reservior
Elevation
9,800'
Aspect
Northeast
Slope Angle
38°
Trigger
Skier
Trigger: additional info
Unintentionally Triggered
Avalanche Type
Hard Slab
Avalanche Problem
Persistent Weak Layer
Weak Layer
Facets
Depth
3'
Width
450'
Vertical
500'
Caught
1
Carried
1
Buried - Fully
1
Killed
1
Accident and Rescue Summary
Scanned images of the original accident report.
Comments
This event was the start of Wasatch Backcountry Rescue.
Avalanche File
| Attachment | Size |
|---|---|
 1987.02.15_Twin_Lakes_Page_1_.pdf | 55.8 KB |
| 1987.02.15_Twin_Lakes_Page_2.pdf | 49.83 KB |
| 1987.02.15_Twin_Lakes_Page_3.pdf | 266.23 KB |
| 1987.02.15_Twin_Lakes_Page_4.pdf | 266.23 KB |
| 1987.02.15_Twin_Lakes_Accident_Report.pdf | 427.72 KB |
Coordinates
