Excerpt from the original article:
Colorado by Nature: Black Canyon of the Gunnison
by Terri Cook
Published September 20, 2018
Although it’s neither the deepest nor the longest gorge in the western U.S., Colorado’s Black Canyon of the Gunnison is arguably the most spectacular. “No other canyon in North America combines the depth, narrowness, sheerness, and somber countenance of the Black Canyon of the Gunnison,” geologist Wallace Hansen wrote back in 1965.