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Mount Thomson, Washington


Prominence: 1514 ft, 462 m

Elevation: 6554 feet, 1998 meters


Approx. Isolation: 2.34 mi, 3.76 km
Elevation Info:NAVD88 Elevation: 6558 ft / 1999 m
Alternate Name(s)Mount Thompson
Latitude/Longitude (WGS84)47° 28' 20'' N; 121° 21' 39'' W
47.472323, -121.360711 (Dec Deg)
623524E 5258956N Zone 10 (UTM)
CountryUnited States
State/ProvinceWashington
County/Second Level RegionKing
Links

Search Engines - search the web for "Mount Thomson":
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Lists that contain Mount Thomson:
     Mountaineers Snoqualmie Peak Pin-First Ten (Rank #1)
     Mountaineers Snoqualmie Peak Pin-All (Rank #2)
     Alpine Lakes "Home Court" Top 100 (Rank #18)
     Smoot's "Climbing Washington's Mountains" 100 Peaks (Rank #77)

Selected Guidebook(s) for this Peak:
       Climbing Washingtons Mountains (Smoot)
       Cascade Alpine Guide, Vol. 1 (Beckey)

Selected Trip Reports from this site:
     1999-08-12 by Austin Smith
     2009-07-28 by Davin Jaggard (Unsuccessful)
     2010-08-29 by ChadL Painter (Unsuccessful)
     2012-07-28 by Stephen Smoots
     2012-08-14 by Adam Walker
     2012-09-08 by Sean Albert
     2012-09-09 by ChadL Painter (GPS Track)
     2014-07-05 by Evan Battaglia

View ascents of peak by registered Peakbagger.com members.

Nearby Peak Searches:
     Radius Search - Nearest Peaks to Mount Thomson
     Elevation Ladder from Mount Thomson
     Prominence Ladder from Mount Thomson


Thomson is one of the most precipitous and pointy peaks near Snoqualmie Pass, and its Matterhorn-like form is a landmark from nearby summits. It is a long hike in from I-90 to its base, and the climb is sustained class-3 scrambling by its easiest route.

This peak is very often spelled "Mount Thompson", by the Montaineers, Beckey, and others, but it is named after famed Seattle municipal engineer R.H. Thomson, and the new USGS 7.5 minute map correctly spells his name.

Google Maps Dynamic Map

 Mount Thomson    Other Peaks
Click Here for a Full Screen Map
Web Map LinksAcme Mapper   MyTopo   Gmap4   MS-Research
TopoQuest   Bing Maps   MSN/Encarta   Google Maps
ProminenceKey Col Page  (Detailed prominence information)
  Clean Prominence: 1514 ft/462 m
  Optimistic Prominence: 1554 ft/474 m
  Key Col: 5040 ft/1536 m
Isolation2.34 mi/3.76 km
Nearest Higher Neighbor in the PBC database:
    Chikamin Peak  (E)
Isolation distance is based on NHN and is slightly overstated.
RangesContinent: North America
Range2: Pacific Ranges
Range3: Cascade Range
Range4: South Washington Cascades
Range5: Alpine Lakes Area
Range6: Snoqualmie Pass North (Highest Point)
Drainage BasinsSnohomish
Puget Sound
Pacific Ocean
OwnershipLand: Mount Baker-Snoqualmie National Forest
Wilderness/Special Area: Alpine Lakes Wilderness Area
Topo MapChikamin Peak O47121d3 1:24,000



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