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Chasm View of the Gunnison River, Black Canyon of the Gunnison National Park

A wide-angle view of Black Canyon with the thin line of the Gunnison River far below on a hazy day, Black Canyon of the Gunnison National Park
NPS/Lisa Lynch
Monday, February 3, 2025

"Deep, steep, and narrow." According to the National Park Service, Black Canyon exposes nearly two billion year old Precambrian "basement rocks," one of the best examples in the world.

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