• View of Grand Canyon National Park at sunset from the South Rim

    Grand Canyon

    National Park Arizona

River Trip Orientation Video - Chapter 2

 

 
Water Temperature and Flow Variations
 
 

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Did You Know?

UNKAR DELTA IN GRAND CANYON

In Grand Canyon,one of the broad, sandy areas on the north bank of the Colorado River is Unkar Delta, composed of rock debris carried from the North Rim by Unkar Creek. Prehistoric Pueblo people occupied numerous sites on Unkar Delta and along Unkar Creek for about 350 years (A.D. 850 to A.D. 1200)