Cosho Peak

Cosho Peak is a 8,332 ft / 2,540 m mountain peak in the Cascade Range in Washington, United States. Based on peakery data, it ranks as the 108th highest mountain in Washington and the 8463rd highest mountain in the United States. The nearest peaks are Kimtah Peak, Katsuk Peak, Mesahchie Peak, Gabriel Peak, Red Mountain, and Kitling Peak. Cosho Peak belongs to the Washington Top 100 peak list. See the Cosho Peak map, 3D fly around, and the Cosho Peak photos to get a better sense of the mountain.

Cosho Peak SUMMIT LOG peakery first ascent by MangyMarmot

1 member reports climbing or hiking to the summit, most recently on Aug 24, 2014. Below is the trip report and shared pictures from their climb.

Routes Used trails & approaches

100% Fisher Creek Trail, then South Gully


SNAPSHOTedit info


8,332 ft / 2,540 m


missing please add!

Height Rank Range



Washington, United States

Summited by

  • MangyMarmot

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