Twin Sisters Mountain, Colorado

Prominence: 336 ft, 102 m

Elevation: 11,376 feet, 3467 meters

True Isolation: 0.43 mi, 0.7 km
Elevation Info:NAVD88 Elevation: 11,381 ft / 3468 m
Latitude/Longitude (WGS84)40° 16' 57'' N, 105° 30' 53'' W
40.282386, -105.514809 (Dec Deg)
456238 E 4459227 N, Zone 13 (UTM)
CountryUnited States
County/Second Level RegionLarimer

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Other Web Sites
     South Sister at
     Twin Sisters Mountain at

Weather and Snow
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Ascent Info

Total successful ascents logged by registered users: 32
     Show all viewable ascents/attempts (Total: 30)

Selected Trip Reports from this site:
     2016-07-12 by Dean Gaudet (GPS Track)
     2017-08-26 by Serguei Okountsev (GPS Track)
     2017-10-01 by William Musser

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

Click on photo for original larger-size version.
twin sisters mountain, aka 'south sister' (2019-09-13). Photo by Rian Laub.
Click here for larger-size photo.
Web Map LinksPeakfinder Panorama
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ProminenceKey Col Page  (Detailed prominence information)
  Clean Prominence: 336 ft/102 m
  Optimistic Prominence: 376 ft/114 m
  Key Col: 11,040 ft/3365 m
IsolationIsolation Page  (Detailed isolation information)
   Distance: 0.43 mi/0.7 km
   Isolation Limit Point: 40.2883, -105.5175
Nearest Higher Neighbor in the PBC database:
    Twin Sisters Peaks  (NNW)
RangesContinent: North America
Range2: Rocky Mountains
Range3: Southern Rocky Mountains
Range4: Front Range
Range5: Rocky Mountain National Park Area
Range6: Longs Peak Massif
Drainage BasinsSouth Platte
Gulf of Mexico
Atlantic Ocean
OwnershipLand: Rocky Mountain National Park/Arapaho and Roosevelt National Forest
Wilderness/Special Area: Rocky Mountain National Park Wilderness Area
Topo MapLongs Peak O40105c5 1:24,000
Data Source1:25,000 (or larger) Topographic Survey Map
This peak was submitted to the database by Layne Bracy.
Dynamic Map

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