What is the largest canyon in the United States?

At 277 miles (446 km) long and up to 18 miles (29 km) wide, Arizona's Grand Canyon is the largest canyon in the US.



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Top 10 Largest Canyons in the US
  • Grand Canyon, Arizona.
  • Palo Duro Canyon, Texas.
  • Antelope Canyon, Arizona.
  • Columbia River Gorge, Oregon.
  • Royal Gorge Canyon, Colorado.
  • Hells Canyon, Oregon & Idaho.
  • Kings Canyon, California.
  • Death Valley, California.


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The second largest canyon in the country lies in the heart of the Texas Panhandle. Visit Palo Duro Canyon State Park; experience the canyon's rugged beauty and enjoy its colorful history.

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The Fish River Canyon of southern Namibia is the second largest canyon in the World after the Grand Canyon of the USA. It consists of a northern upper and a southern lower canyon.

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Here, the river forms one of the deepest canyons in North America, its walls rising as much as 8,200 feet (2,500 m) from river to rim – about half a mile (0.8 km) deeper than the Grand Canyon. The canyons upstream at Cedar Grove are also more than 5,000 feet (1,500 m) deep.

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The Black Canyon through the national park is particularly steep, deep, and narrow. The Black Canyon is incredibly deep and sheer, with plunging cliffs, soaring buttresses and a thundering river.

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Antelope canyon: the most photographed canyon in America.

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Palo Duro Canyon (from the Spanish meaning hard stick) has been named The Grand Canyon of Texas both for its size and for its dramatic geological features, including the multicolored layers of rock and steep mesa walls, which are similar to those in the Grand Canyon.

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The “Yarlung Tsangpo Grand Canyon” is the largest and deepest canyon in the world. The canyon reaches an average depth of 7,440 feet passing through the Gyala Peri mountains and the peaks of the Namcha Barwa.

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Largest canyons The Yarlung Tsangpo Grand Canyon (or Tsangpo Canyon), along the Yarlung Tsangpo River in Tibet, is regarded by some as the deepest canyon in the world at 5,500 metres (18,000 ft). It is slightly longer than the Grand Canyon in the United States.

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This is the most photographed Slot Canyon in the world! The American Southwest is the “canyon capital of the world,” from the vast, massive Grand Canyon, to canyons so narrow, even the slenderest of people would be challenged to squeeze through some of them.

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The Most-Visited Canyon in the World Antelope Canyon, located near Page, Arizona on land belonging to the Navajo Nation, is the most-visited and most-photographed slot canyon in the world. This is one reason that the Mysterious World gave it such a high ranking.

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The name Hells Canyon is believed to come from the difficult and rugged journey through the terrain by boat. The first known reference to it as Hells Canyon is in the 1895 edition of H.W. McCurdy's “Marine History of the Pacific Northwest.”

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The Yarlung Zangbo Grand Canyon in Tibet, a region of southwestern China, was formed over millions of years by the Yarlung Zangbo River. This canyon is the deepest in the world—at some points extending more than 5,300 meters (17,490 feet) from top to bottom.

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With its soaring granite cliffs and the south fork of the Kings River meandering through the canyon floor, this spectacular gorge is the second deepest canyon in the United States (only Hells Canyon in Oregon, Idaho, Washington at 7993ft.

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General Sherman Tree is at the north end of Giant Forest. The General Sherman Tree is the world's largest tree, measured by volume. It stands 275 feet (83 m) tall, and is over 36 feet (11 m) in diameter at the base.

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While General Sherman is the largest currently living tree, it is not the largest historically-recorded tree. The Lindsey Creek tree, with more than 90,000 cubic feet (2,500 cubic meters) almost twice the volume of General Sherman, was reported felled by a storm in 1905.

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