Cornice Fall Marriott Basin
Quick reportlionel.d.jensen · May 3, 2026 · Duffey
Avalanche
- Trigger Type
- natural
- Avalanche Size
- 2.5
- Start Zone Aspect
- N
- Avalanche Character
- corniceWithSlab
- Number Of Avalanches
- 1
- Start Zone Elevation
- 2200
- Runout Zone Elevation
- 1800
- Avalanche Observation
- 24to48hrsAgo
- Start Zone Elevation Band
- alp
- Avalanche Occurrence Datetime
- 2026-05-05T01:40:00.000Z
Got to watch an impressive cornice collapse and avalanche, standing outside Wendy Thompson hut. Ran to the bottom of the slope. Debris about 80m across. No surprise cornices are dropping with the very warm temperatures. Still impressive to witness.


