This page displays avalanche incidents reported to the Sierra Avalanche Center that have occurred in the backcountry and involve a person caught, buried, and/or injuried.
Date and time of observation or avalanche occurrence Location Region Observation Type Photos Snowpack, Avalanche, Weather Videos Snowpit videos (tests, etc) Number of people caught Number of people caught Observation made by
04/15/2022 - 13:15 Andesite Peak Donner Summit Area Avalanche Observation , , , 2 Public
03/27/2020 - 10:45 Anderson Ridge Donner Summit Area Avalanche Observation , , 1 Public
03/20/2023 - 12:30 North Bowl Castle Peak Donner Summit Area Avalanche Observation crown of first rider triggered avalanche, debris of 1st rider triggered avalanche, natural and 2 human triggered avalanches, crown of second rider triggered avalanche, failure in PST 33/100 end on SH 25 cms down, obvious SH layer 20 cms down, large buried SH, Rime and water ice on trees 1 Educator
NORTH AMERICAN SKI TRAINING AND CLIMBING
01/27/2018 - 09:05 North Castle Peak Donner Summit Area Avalanche Observation
North East of Castle North
1 Public
12/09/2019 - 12:00 Castle/Basin Peak Donner Summit Area Avalanche Observation Human triggered avalanche.  200' wide. 12/9 photo, The failure layer appears to be buried surface hoar. 12/9 photo, SAC Forecaster standing at burial location.  2 main debris paths. 12/10 photo, 200' wide, 1-2' deep, failing on a covex rollover. 12/10 photo, Mid slope crown. 12/10 photo, Looking downslope at the terrain. Debris visible below. 12/10 photo, Large shooting cracks out into less steep terrain. 12/10 photo, Hole from full burial excavation. 12/10 photo 1 Forecaster
02/24/2019 - 11:15 Castle Peak Donner Summit Area Avalanche Observation , 1 Public
12/17/2010 - 15:30 Hawk's Peak, North Face and North ridge Donner Summit Area Avalanche Observation 2 Public
03/25/2019 - 01:30 Mount Judah Donner Summit Area Avalanche Observation 2 Public
01/14/2016 - 14:30 Donner Peak Donner Summit Area Avalanche Observation
1 Forecaster
03/02/2017 - 13:20 North Bowl Castle Peak Donner Summit Area Avalanche Observation
1 Public
03/31/2023 - 13:00 Castle peak Donner Summit Area Avalanche Observation , , , 1 Public
02/28/2010 - 12:35 South face of Shallenberger Ridge Donner Summit Area Avalanche Observation 2 Public
03/20/2021 - 12:50 Frog Lake Cliffs Donner Summit Area Avalanche Observation The torn up snow is where the victim parked their snowmobile. The footprints lead to the edge where the cornice broke., Overview of the slope the victim fell down. The arrow is where the person broke the cornice., Side view of upper part of the slope., The cornice that broke and the crown of the slab avalanche the cornice failure triggered., Overview of the slope. There is a helicopter about halfway up the slope on the right side for scale., The upper part of the slope., The lower part of the slope where the victim was found. 1 Forecaster
01/05/2013 - 09:00 Cisco Butte, West Face and Gullies Donner Summit Area Avalanche Observation 1 Public
03/05/2011 - 14:00 N. facing bowl on backside of Castle Peak Donner Summit Area Avalanche Observation
1 Public

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