Sourdough Mountain, Washington

Prominence: 227 ft, 69 m

Elevation: 6107 feet, 1861 meters

True Isolation: 0.97 mi, 1.56 km
Elevation Info:NAVD88 Elevation: 6111 ft / 1862 m
Latitude/Longitude (WGS84)48° 44' 59'' N, 121° 7' 34'' W
48.749747, -121.126012 (Dec Deg)
637750 E 5401331 N, Zone 10 (UTM)
CountryUnited States
County/Second Level RegionWhatcom

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Ascent Info

Total successful ascents logged by registered users: 131
     Show all viewable ascents/attempts (Total: 136)

Selected Trip Reports from this site:
     1998-06-06 by John Anholm (Unsuccessful)
     2007-02-17 by Eric J. Johnson
     2009-08-02 by Adam Walker
     2011-07-03 by Michael Hermann
     2011-07-09 by Barbara Peterson
     2013-02-03 by Sean Albert
     2013-02-03 by Patty Cokus
     2014-08-17 by Joanne Najdzin (Unsuccessful) (GPS Track)
     2015-08-19 by Amanda Weinberg (Unsuccessful)
     2015-09-22 by Adam Walker
     2017-01-15 by Adrian Fussell
     2017-09-03 by Melanie Stam (GPS Track)
     2019-10-10 by H-Steven Song
     2019-11-30 by Fred Newman
     2020-08-15 by Fred Beavon

Nearby Peak Searches:
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     Elevation Ladder from Sourdough Mountain
     Prominence Ladder from Sourdough Mountain

Click on photo for original larger-size version.
Sourdough Mountain seen from the North Cascades Highway at Thunder Arm of Diablo Lake. (2016-05-31). Photo by Ronald James.
Click here for larger-size photo.
Web Map LinksPeakfinder Panorama
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ProminenceKey Col Page  (Detailed prominence information)
  Clean Prominence: 227 ft/69 m
  Optimistic Prominence: 267 ft/81 m
  Key Col: 5880 ft/1792 m
IsolationIsolation Page  (Detailed isolation information)
   Distance: 0.97 mi/1.56 km
   Isolation Limit Point: 48.7592, -121.1417
Nearest Higher Neighbor in the PBC database:
    Peak 6308  (NW)
RangesContinent: North America
Range2: Pacific Ranges
Range3: Cascade Range
Range4: North Cascades
Range5: Skagit Range
Range6: Picket Range
Drainage BasinsSkagit
Puget Sound
Strait of Juan de Fuca
Pacific Ocean
OwnershipLand: North Cascades National Park
Wilderness/Special Area: Stephen Mather Wilderness Area
Topo MapRoss Dam O48121f1 1:24,000
Data Source1:25,000 (or larger) Topographic Survey Map
Dynamic Map

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