Avalanche: Summit

Location: Summit Road Observation

Route & General Observations

Road obs from Johnson Pass pullout to Gilpatricks in Summit Area. This zone appears far more wind impacted than Turnagain with stripping down to rock, especially on NE aspects. Several small and large natural avalanches observed.

Below is a photo of recent activity on a South aspect of Fresno Ridge as seen from Tenderfoot. Click Here for an observation from Tenderfoot from today (3/11/18.)

Avalanche Details
If this is an avalanche observation, click yes below and fill in the form as best as you can. If people were involved, please provide details.
Trigger NaturalRemote Trigger0
Avalanche Type UnknownAspect Unknown
ElevationunknownSlope Angleunknown
Crown DepthunknownWidthunknown
Vertical Rununknown  
Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Obvious signs of instability
Recent Avalanches?Yes
Collapsing (Whumphing)?No
Cracking (Shooting cracks)?No
Observer Comments

Large natural avalanche on NE aspect above treeline between Silvertip and Moose Mountain. Several small to large natural avalanches at and above treeline on SE aspects between Silvertip and Moose Mountain. These occurred in a heavily cross loaded area.

Large crown and natural avalanche seen from Hope Y Junction on what I believe is Nelson Mountain.

Small natural avalanche on South end of Summit on East side of road.

Three large natural avalanches on S aspect of Fresno above treeline

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.

Overcast and no precipitation

Snow surface




Photos & Video
Please upload photos below. Maximum of 5 megabytes per image. Click here for help on resizing images. If you are having trouble uploading please email images separately to staff.