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A gorge, about 445 km (275 mi) long, of the Colorado River in northwest Arizona. It has a maximum depth of about 1,830 m (6,000 ft) and width of about 25 km (15 mi).
(Placename) a gorge of the Colorado River in N Arizona, extending from its junction with the Little Colorado River to Lake Mead; cut by vertical river erosion through the multicoloured strata of a high plateau; partly contained in the Grand Canyon National Park, covering 2610 sq km (1008 sq miles). Length: 451 km (280 miles). Width: 6 km (4 miles) to 29 km (18 miles). Greatest depth: over 1.5 km (1 mile)
a gorge of the Colorado River in N Arizona. over 200 mi. (320 km) long; 1 mi. (1.6 km) deep.
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|Noun||1.||Grand Canyon - the enormous gorge of the Colorado River in northern Arizona|
Colorado Plateau - a large plateau to the south and west of the Rocky Mountains; abuts mountains on the north and east and ends in an escarpment overlooking lowlands to the south and west; the Grand Canyon is carved out of the southwestern corner