Idaho 12ers – List and Map Of The 12,000′ Peaks In Idaho

Idaho is home to over 5,000 peaks with 300 plus feet of prominence, but only 9 of those peaks are over 12,000′. For most of the peaks the standard routes range from Class to Class 4. They have been climbed in both summer and winter. It’s a challenge to climb them all.

Map Of Idaho 12ers:

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(All pinpoints are close, but are not guaranteed to be 100% accurate)


The Idaho 12ers are located in three different ranges in the state of Idaho, including:

  • Lost River Range – 7
  • Lemhi Range – 1
  • Pioneer Range – 1

List Of Idaho 12ers:

RankPeakElevation in FeetElevation in MetersRange
1Borah Peak12,662'3,859 mLost River Range
2Leatherman Peak12,228'3,727 mLost River Range
3Mount Church12,200'3,719 mLost River Range
4Diamond Peak12,197'3,718 mLemhi Range
5Mount Breitenbach12,140'3,700 mLost River Range
6Lost River Peak12,078'3,681 mLost River Range
7Mount Idaho12,065'3,677 mLost River Range
8Donaldson Peak12,023'3,665 mLost River Range
9Hyndman Peak12,009'3,660 mPioneer Mountains

See Also: Trip Report: Borah Peak, Lost River Range, Idaho


Idaho 12ers Speed Record – Luke Nelson and Jared Campbell set the record in August 2014 by climbing all of nine of the Idaho 12ers in 28 hours 18 minutes. – Source: TrailRunnerMag.com


How many of Idaho’s 12,000′ peaks have you climbed or skied? If you’ve climbed or skied them all, leave a note in the comments below.

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