Lost River Range

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The Lost River Range is a high mountain range of the Rocky Mountains, located in Central Idaho, in the Northwestern United States.[1]

It runs southeast for approximately Script error: No such module "convert". from the Salmon River near the community of Challis to the Snake River Valley near Arco. To the west are the valleys of the Salmon and the Big Lost Rivers, while to the east are the Little Lost River and Pashimeroi Valleys.

The range starts at the east bank of the Salmon River, at an elevation of about Script error: No such module "convert".. It quickly rises to Grouse Creek Mountain (Script error: No such module "convert".) and Dickey Peak (Script error: No such module "convert".), and then descends to Double Springs Pass, location of one of just two roads to cross the range. Nearby is an interpretive site explaining the effects of the magnitude 6.9 Borah Peak earthquake that hit the range on October 28, 1983. The Big Lost River Valley fell and the Lost River Range rose, leaving a fault scarp of up to Script error: No such module "convert". along the base of the mountains.

File:BorahPeakID.jpg
Borah Peak, Idaho, looking east (note the 1983 earthquake fault scarp running across the bottom of the range).

The range then rises into its high central section, which includes many of the state's highest peaks. Borah Peak, the highest, climbs to Script error: No such module "convert".. Further south are Mount Idaho (Script error: No such module "convert".), Leatherman Peak (Script error: No such module "convert".), Mount Church (over Script error: No such module "convert".), Mount Breitenbach (Script error: No such module "convert".), and Lost River Mountain (Script error: No such module "convert".). To the east of this section of the range lie the remote canyons of the Upper Pashimeroi Valley, including scenic Merriam Lake.

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The range then descends to Pass Creek Summit, the second road to cross its crest. It continues to King Mountain (Script error: No such module "convert".), a favorite site for hang gliders. Finally it descends sharply to the Snake River Valley near the community of Arco, at an elevation of Script error: No such module "convert"..

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Merriam Lake, Idaho, in the Lost River Range.

Peaks

The ten highest peaks of the Lost River Range[2]
Mountain Peak Elevation Prominence Isolation Location
Borah Peak

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Leatherman Peak

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Mount Church

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Mount Breitenbach

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Lost River Peak

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Mount Idaho

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Donaldson Peak

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USGS Peak

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No Regret Peak

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Peak 11,967

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References

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External links

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