Black Canyon is a geologic wonder. The difficult and rugged nature of it has challenged and limited human influence from prehistoric to present day. Only the canyon rims, never the inner canyon, show evidence of human occupation. The known sites at Black Canyon of the Gunnison suggest human use for the past 9,000 years. ![]() People
Black Canyon has seen human use for the last 9,000 years - from indigenous groups to explorers to the present-day. ![]() East Portal & The Gunnison Tunnel
Learn about the history of East Portal and the Gunnison Tunnel construction ![]() Mission 66
Developments during the 1950s-1966 included improved campground facilities, self-guided nature trails, new paved scenic drive, and more. |
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Last updated: April 18, 2025