grand canyon
geographical name(Grand Canyon)
gorge of the Colorado River in northwestern Arizona extending from the mouth of the Little Colorado west to the Grand Wash Cliffs; over 1 mile (1.6 kilometers) deep; area largely within Grand Canyon National Park
grand canyon
geographical name(Grand Canyon)
remote landscape in northwestern Arizona north of Grand Canyon National Park
grand canyon
geographical name(Grand Canyon)
river 671 miles (1080 kilometers) long in northwestern Wyoming and southern and eastern Montana flowing north through Yellowstone Lake (area 140 square miles, or 364 square kilometers) and the Grand Canyon of the Yellowstone in Yellowstone National Park and northeast into the Missouri River in northwestern North Dakota near the border with Montana