The Grand Canyon is the largest canyon in the world. It is located in Arizona and is 446 km long, 29 km wide, and up to 1.83 km deep.
Russia has the third longest coastline in the world.
The Canade-United States border is the longest border in the world.
The longest river in the world is the Nile, which is located on the African Continent.
Defining the largest canyon has been a debate due to the fact as to how do you measure the canyon, by length, total area, height. Grand Canyon in Arizona, USA depth 1,800 metres - 6,000 feet length 446 km - 277 miles width 6.4 to 29 km - 4 to 18 miles area 1,218,376 acres Hell's Canyon in Oregon-Idaho depth 2,436 metres - 7,993 feet length width 16 km - 10 miles area 600,000 acres Yarlung Zango Grand Canyon in China - the Longest Canyon depth 6,009 metres length 496.3 metres - 150 miles Cotahusai Canyon in Peru depth 3,535 metres - 11,597 feet Colco Canyon in Himalayas depth 3,140 metres Barranca del Cobre or Copper Canyon in Mexico depth 2,400 metres Fish Rivery Canyon in Namibia depth 550 metres length 160 km - 100 miles width 27 km
Rio de Janeiro, Brazil has the longest shoreline in the world, with approximately 146 miles of coastline.
The Yarlung Tsangpo Grand Canyon is among the longest and deepest canyons in the world of Tibet.
America
The world's longest canyon belongs to China and is called the Yarlung Zangbo Grand Canyon.The Yarlung Tsangpo Grand Canyon is among the longest and deepest canyons in the world of TIBET. Chinese government illegially occupated Tibet, so Yarlung Tsangpo is in Tibet which is occupated by Chinese official.
the Colorado
chuck norris
The grand crayon
It is The Marianas trench it is the deepest underwater canyon and i believe the longest at 1580 miles.The mid atlantic ridge stretches 10,000 miles!
the tallest mountain range is probably the Andes and the depest canyon is probably the contahuasi canyon
Because it is the largest canyon in the world.
The world's largest canyon is not in the United States. The world's largest canyon is the Yarlung Zangbo Grand Canyon in Tibet.
Zion Canyon in Zion National Park is 15 miles long and up to half a mile deep.
The African Great Rift Valley is longest, and the Cotahuasi Canyon is deepest.