What is the latitude and longitude of where the grand canyon starts and ends?

Question

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Answer 1

Approx beginning:  N36 29 W 111 50

Approx end:             N35 59 W 113 43

Answer 2

Coordinates: 36°51′57′′N 111°35′11′′W / 36.86583, -111.58639.  Lee's Ferry is considered the official beginning of the Grand Canyon.

Coordinates: 36° 09.07'N 113° 51.88'W   Grand Wash Cliffs is considered the official end of the Grand Canyon.