- Who
- Grand Canyon
- What
- 446 kilometre(s)
- Where
- United States ()
The Grand Canyon, created over millions of years by the Colorado River in north-central Arizona, USA, extends from Marble Gorge to the Grand Wash Cliffs, over a distance of 446 km (277 miles). It attains a depth of 1.6 km (1 mile) while its width ranges from 0.5 to 29 km (0.31 to 18 miles).
