South Twin, Washington

Prominence: 3520 ft, 1073 m

Elevation: 7000+ feet, 2134+ meters

Approx. Isolation: 6.9 mi, 11.11 km
Elevation Info:Elevation range: 7000 - 7040 ft
    (40-foot closed contour)
NAVD88 Elevation: 7004 ft / 2135 m
    (Range 7004 - 7044 ft)
Latitude/Longitude (WGS84)48° 42' 18'' N; 121° 59' 15'' W
48.704873, -121.987539 (Dec Deg)
574490E 5395143N Zone 10 (UTM)
CountryUnited States
County/Second Level RegionWhatcom

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Lists that contain South Twin:
     USA Lower 48 Top 400 Peaks by Prominence (Rank #235)
     Washington State Peaks with 2000 feet of Prominence (Rank #32)
     Mountaineers Baker's Dozen (Rank #16)
     Washington State Top 200 by Prominence (Rank #32)

Selected Guidebook(s) for this Peak:
       Cascade Alpine Guide, Vol. 3 (Beckey)

Selected Trip Reports from this site:
     1989-07 by Mike Stinson (Unsuccessful)
     1995-05-07 by Brian Friedrich (Unsuccessful)
     1995-05-21 by Brian Friedrich
     2009-08-20 by Jan Triska
     2012-08-19 by Adam Walker
     2012-08-25 by Eric Noel
     2013-07-27 by Paul Michelson
     2013-08-08 by Fred Beavon
     2014-07-26 by Brandon Myers
     2014-07-26 by Evan Battaglia

View ascents of peak by registered members (30 total)

Nearby Peak Searches:
     Radius Search - Nearest Peaks to South Twin
     Elevation Ladder from South Twin
     Prominence Ladder from South Twin

South Twin is the highest point on the Twin Sisters Range west of Mount Baker. The lower North Twin is probably climbed more frequently. Routes on South Twin involve a complex approach on logging roads and faint use trails, and extended scrambling up long ridges.

The USGS map for South Twin shows a 7000-foot contour at the west end of the summit ridge, however the Sisters Benchmark about 500 feet ESE is actually the high point, even though it does not have a 7000 foot contour. Adding to the mystery, the benchmark is at 6932 feet, which seems very low given the contours on the map.

Google Maps Dynamic Map

 South Twin    Other Peaks
Click Here for a Full Screen Map
Web Map LinksAcme Mapper   MyTopo   Gmap4   TopoQuest
Bing Maps   Google Maps
ProminenceKey Col Page  (Detailed prominence information)
  Clean Prominence: 3520 ft/1073 m
  Optimistic Prominence: 3600 ft/1097 m
  Line Parent: Sherman Peak
  Key Col: 3480 ft/1061 m
Isolation6.9 mi/11.11 km
Nearest Higher Neighbor in the PBC database:
    Seward Peak  (ENE)
Not verified: May be a major NHN that is not in the database.
RangesContinent: North America
Range2: Pacific Ranges
Range3: Cascade Range
Range4: North Cascades
Range5: Skagit Range
Range6: Twin Sisters-Foothills (Highest Point)
Drainage BasinsNooksack
Strait of Georgia
Pacific Ocean
OwnershipLand: Mount Baker-Snoqualmie National Forest
Wilderness/Special Area: Mount Baker Wilderness Area
Topo MapTwin Sisters Mountain O48121f8 1:24,000

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