Black Canyon of the Gunnison National Park near Montrose, Colorado is a deep and narrow canyon that has areas that see less than an hour of sunlight per day. Some of the vertical rock walls attract rock climbers. Many types of vegetation attract bears, mule deer, porcupine, and beavers. There have even been recent eagle sightings. Combine all of this with great viewpoints and this is a must see!
Park resident 
Park visitors
RV State Trekking 
I visited Black Canyon of the Gunnison years before it was a national park. I remember its massive size, the quiet and some kind of bird soaring along in the canyon. Your pictures are beautiful.
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