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Glacier BayJune 12, 2017
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Black Canyon of the Gunnison National Park
About this Park
The park protects a quarter of the Gunnison River, which slices sheer canyon walls from dark Precambrian-era rock. The canyon features incredibly steep descents, and is a popular site for river rafting and rock climbing. The deep, narrow canyon, made of gneiss and schist, is often in shadow and therefore appears black.