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Idaho 12ers List


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The Idaho 12ers, which are mostly located in the Lost River Range, offer great scrambling adventures for those going after this list. LiDAR elevations are shown below for every peak except Hyndman.

Rank Summit Name Range Elevation Prom. YDS
1 Borah Peak Lost River Range 12666 5996 3
2 Leatherman Peak Lost River Range 12234 1706 2
3 Diamond Peak Lemhi Range 12200 5374 3
4 Mount Church Lost River Range 12195 916 3
5 Mount Breitenbach Lost River Range 12149 643 3
6 Mount Idaho Lost River Range 12081 1104 3
7 Lost River Mountain Lost River Range 12079 716 3
8 Donaldson Peak Lost River Range 12039 325 3
9 Hyndman Peak Pioneer Mountains 12009 4829 2




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