Desert View South Rim, Grand Canyon National Park, Calif.
Submitted by Aaron Keigher

Dec. 18

The correct answer is: The Colorado River.

Originally named Rio Colorado or “Red River”, the 1,450-mile-long Colorado River runs southwestward from Rocky Mountain National Park in Colorado, to the Gulf of California in Mexico. thanks our readers for participating in It’s A Snap! We look forward to another year of your stunning photos!

Happy holidays!

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