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The Grand Canyon is 277 miles (446 km) long, 10 miles (16 km) wide, and 6,000 vertical feet (1829 m) deep.
The entire park includes over a million acres of land, or about or 1,904 square miles.

en.wikipedia.org/wiki/Grand_Canyon

The Grand Canyon is a steep-sided canyon carved by the Colorado River in the U.S. state of .... The great depth of the Grand Canyon and especially the height of its strata (most of which formed below sea level) can be attributed to 5–10 ...

www.nps.gov/grca/learn/management/statistics.htm

The park is dominated by the spectacular Grand Canyon; a twisting, 1 mile/ 1.6 km deep and 277 mile/ 433km long gorge, formed during some six million years ...

wonderopolis.org/wonder/how-deep-is-the-grand-canyon

Did you know that a river can carve out a deep ravine between cliffs over the course of millions of years? These ravines are called "canyons" or "gorges.

mentalfloss.com/article/72416/11-things-you-might-not-know-about-grand-canyon

3 days ago ... Like measuring depth, figuring out a canyon's age is not as easy as you might think. Until recently, estimates pegged the Grand Canyon's age ...

.ask.com/youtube?q=How+Deep+Is+the+Grand+Canyon%3F&v=_hoGpYyn4Bs
Dec 16, 2013 ... Grand Canyon In Depth is a new video series that explores the natural and human history of Grand Canyon National Park. Join park rangers ...

explorethecanyon.com/explore-learn/grand-canyon-facts

Want to know how wide the Grand Canyon is? What about how deep it is? Find out here - where you'll learn all the facts.

www.quora.com/What-is-the-average-depth-of-the-water-in-the-grand-canyon

Not depth of the canyon walls, but the actual river ... I would probably refer you to the National Park Service at Grand Canyon National Park for authoritative sources ...

www.gcex.com/grand-canyon-trivia

Europeans first saw the Grand Canyon when Hopi guides, whose people had been ... On average, the Colorado River within the Grand Canyon is 40 feet deep.

www.livescience.com/27489-grand-canyon.html

Feb 26, 2013 ... New evidence suggests the western Grand Canyon was cut to within 70 percent of its current depth long before the Colorado River existed.