Early morning light plays in the canyon in this view west down the Colorado River from Panorama Point on the South Kaibab Trail, Grand Canyon National Park This is the highest resolution available.  N
Early morning on the South Kaibab Trail is when the canyon earns its reputation. Rangers advise against hiking to the river and back in one day — this view makes clear why. © Grand Canyon National Park, CC BY 2.0, via Wikimedia Commons

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