Twin Sisters Peaks

The Twin Sisters Peaks are mountains in Colorado, located in the Front Range in Larimer County, Colorado, straddling Rocky Mountain National Park and Roosevelt National Forest.

Twin Sisters East Peak
Twin Sisters Peaks viewed from Trail Ridge Road
Highest point
Elevation11,433 ft (3,485 m)[1][2]
Prominence2,298 ft (700 m)[2]
Isolation4.36 mi (7.02 km)[2]
ListingColorado prominent summits
Coordinates40°17′20″N 105°31′06″W[3]
Geography
Twin Sisters East Peak
LocationRocky Mountain National Park, Larimer County, Colorado, U.S.[3]
Parent rangeFront Range[2]
Topo mapUSGS 7.5' topographic map
Longs Peak, Colorado[3]
Climbing
Easiest routehike, scramble
Twin Sisters West Peak
Highest point
Elevation11,418 ft (3,480 m)[4][5]
Prominence2,298 ft (700 m) 
Coordinates40°17′21″N 105°31′10″W[5]

Historical names
  • Lillie Mountain
  • Lillie Mountains
  • Tahosa Mountain
  • Twin Sisters Peaks – 1908 [3]

See also

References
  1. The elevation of Twin Sisters East Peak includes an adjustment of +1.388 m (+4.55 ft) from NGVD 29 to NAVD 88.
  2. "Twin Sisters Peaks, Colorado". Peakbagger.com. Retrieved November 6, 2014.
  3. "Twin Sisters Peaks". Geographic Names Information System. United States Geological Survey. Retrieved November 6, 2014.
  4. The elevation of Twin Sisters West Peak includes an adjustment of +1.389 m (+4.56 ft) from NGVD 29 to NAVD 88.
  5. "Twin Sisters Peaks-West Peak, Colorado". Peakbagger.com. Retrieved November 6, 2014.


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