Cornice collapse over Railway tunnels at Donner Summit

Location Name: 
Sugar Bowl Drive and Railway Tunnel
Region: 
Donner Summit Area
Observation Date & Time: 
Sunday, April 16, 2023 - 12:45
Location: 
39.316675, -120.329761
See map: CalTopo
Is this an Avalanche Observation?: 
Yes


Conditions Alerts:

  • Other Signs of Instability (cracking, whumpfing, collapsing)

Terrain Alerts: 
Terrain Traps
Observation made by: Public

Tabs