Avalanche on north bowl castle peak

Location Name: Castle peak Region: Donner Summit Area Observation Date & Time: Friday, March 31, 2023 - 13:00
Location: 39.364382, -120.346532 See map: CalTopo	Is this an Avalanche Observation?: Yes Conditions Alerts: Avalanche Activity Terrain Alerts: Slopes Steeper than 30 degrees Obvious Slide Path

Observation made by: Public

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Observation

Description of Snow, Weather, and Avalanche Conditions:

Snowboarder triggered avalanche at 1300 on March 31st. There had already been an avalanche at this location, can be seen in last photo from below. Appears to be wind loaded snow on top of previous slide, then was triggered. Snowboarder self rescued.

Avalanche Details

Avalanche Type:

Wind Slab

Additional number of similar avalanches:

Trigger

Trigger:

Snowboarder

Trigger Modifier:

Accidentally Triggered

People Involved

Number of people caught:

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Avalanche on north bowl castle peak

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Avalanche on north bowl castle peak

Conditions Alerts:

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