With a width of 50 feet (15 m) at its base and a few hundred feet at its top, and a depth of 1,250 feet (380 m) in places, the 10-mile-long canyon is a narrow, steep gorge through the granite of Fremont Peak.
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There are about 14 occurrences of the plant, which are located in Royal Gorge, the Pike-San Isabel National Forest, and Bureau of Land Management lands.