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Pike National Forest

Harmonica Arch - Lost Creek Wilderness - Pike National Forest, Colorad

Hiking to Harmonica Arch in the Lost Creek Wilderness

Harmonica Arch, also called Finger Rock Arch, is the longest span granite arch in the United States and the fourth longest in the world. Join me as I venture into the Lost Creek Wilderness to hike to this magnificent arch.
Adam Thompson 29 Sep 2025

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