Avalanche Mountain, Washington

Prominence: 480 ft, 147 m

Elevation: 5360+ feet, 1634+ meters

True Isolation: 0.71 mi, 1.14 km
Elevation Info:Elevation range: 5360 - 5400 ft
    (40-foot closed contour)
NAVD88 Elevation: 5364 ft / 1635 m
    (Range 5364 - 5404 ft)
Peak TypeUnofficially Named Peak
Latitude/Longitude (WGS84)47° 28' 10'' N, 121° 25' 50'' W
47.469394, -121.43048 (Dec Deg)
618273 E 5258522 N, Zone 10 (UTM)
CountryUnited States
County/Second Level RegionKing

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Lists that contain Avalanche Mountain:
     Alpine Lakes "Home Court" Top 100 (Unranked)
     Mid-State Milers (Rank #202)

Ascent Info

Total ascents/attempts logged by registered users: 87
     Show all viewable ascents/attempts (Total: 75)

Selected Trip Reports:
     2002-09-25 by Eric J. Johnson
     2013-07-06 by Vineeth Madhusudanan (GPS Track)
     2014-01-05 by Chad Straub (GPS Track)
     2014-10-05 by Adam Walker
     2016-04-30 by Dave Golias
     2017-09-03 by Ananth Maniam (Unsuccessful) (GPS Track)
     2018-06-12 by Chris Pribbernow
     2019-03-30 by Sean Mathias (GPS Track)
     2019-07-30 by Peter Dygert
     2021-01-18 by Maureen Seeley
     2021-01-18 by Susan Shih (GPS Track)
     2021-07-18 by Greg Henriksen (GPS Track)
     2022-02-18 by Enji Cooper (GPS Track)
     2022-02-26 by Peter Dygert
     2022-02-26 by Xiulan Hu (GPS Track)

Nearby Peak Searches:
     Radius Search - Nearest Peaks to Avalanche Mountain
     Elevation Ladder from Avalanche Mountain
     Prominence Ladder from Avalanche Mountain

Click on photo for original larger-size version.
Mountaineers party on Avalanche Mountain, aka Rock-Thunder (2018-06-12). Photo by Chris Pribbernow.
Click here for larger-size photo.
Web Map LinksPeakfinder Panorama
GeoHack Links   CalTopo   MyTopo   Bing Maps
Google Maps   Open Street Map
ProminenceKey Col Page  (Detailed prominence information)
  Clean Prominence: 480 ft/147 m
  Optimistic Prominence: 560 ft/171 m
  Line Parent: Snoqualmie Mountain
  Key Col: 4880 ft/1487 m
IsolationIsolation Page  (Detailed isolation information)
   Distance: 0.71 mi/1.14 km
   Isolation Limit Point: 47.4642, -121.4175
Nearest Higher Neighbor in the PBC database:
    Snoqualmie Mountain  (ESE)
RangesContinent: North America
Range2: Pacific Ranges
Range3: Cascade Range
Range4: South Washington Cascades
Range5: Alpine Lakes Area
Range6: Snoqualmie Pass North
Drainage BasinsSnoqualmie Middle Fork
Snoqualmie North Fork
Puget Sound
Strait of Juan de Fuca
Pacific Ocean
OwnershipLand: Mount Baker-Snoqualmie National Forest
Wilderness/Special Area: Alpine Lakes Wilderness Area
Topo MapSnoqualmie Pass O47121d4 1:24,000
Data Source1:25,000 (or larger) Topographic Survey Map
This peak was submitted to the database by Fred Beavon.
Dynamic Map

 Avalanche Mountain    Other Peaks
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