Grand Canyon

Grand Canyon, Bright Angel Canyon at Granite Gorge
TheGrand Canyon is a mile-deep, 277-mile-long steep-sided gorge inArizona, formed over millennia by theColoradoRiver.
Location
TheGrand Canyon lies in the southwestern part of the United States, in the southwestern portion of theColoradoPlateau. The main path of thecanyoncourses from the mouth of the Paria River, near the boundary ofArizonaand Utah, toGrandWash Cliffs, near Nevada’s state line.
The deepest and most visually dramatic section of theGrand Canyon is 56 miles long and lies within the central part ofGrand Canyon National Park. Here the canyon’s striking strata are on full display, in colors ranging from browns to blues to reds and pinks. TheNorth Rim sits about 8,500 feet above sea level, 1,200 feet higher than theSouth Rim.
Geologyand History
Erosion or low volumes of material deposition have erased millions of years from thecanyon’s geologic history. Despite this, it remains the most significantlocationon earth for its long and measurablegeologic record.
Human artifacts found in thecanyonsuggest the presence of prehistoric settlers from the last Ice Age. Ancestral Pueblo people also lived in thecanyon, followed later by Paiute, Navajo, Zuni, and Hopi tribes, as well as theHavasupai who still claim the land today. The first Europeans to visit thecanyonwere Spanish explorers in the 1540s. In the centuries that followed, U.S. expeditionsexplored and mapped the area and studied itsgeologyand ecology.
Tourism
Early settlers saw the profit in tourism, which began in earnest after 1901. In 1908, theGrand Canyon was proclaimed aNational Monument by President Theodore Roosevelt, and in 1919 it became a National Park. Today, over 5 million tourists from all over the world visit thecanyoneach year.
Learn more about the Grand Canyon through historical newspapers from our archives. Explore newspaper articles, headlines, images, and other primary sources below.