The Grand Canyon is a steep-sided canyon carved by the Colorado River in Arizona, United States. The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide and attains a depth of over a mile.
Key Facts
| Subject | Grand Canyon |
| Category | Steep-sided canyon in Arizona, US |
| Reading time | 1 min · Advanced |
| Key date | 277 |
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Reference material for this entry is drawn from the open encyclopedic record, including Wikipedia , available under the CC BY-SA 4.0 license. Images are credited individually beside each photo.