It is 48 miles long.
Black canyon
the grand canyon the black canyon and more...
The canyon is 277 miles (446 km) long.
The Black Canyon of the Gunnison and the Royal Gorge in Colorado.
black canyon on the Colorado river
Consider the Black Canyon of the Gunisson, Glen Canyon, Marble Canyon and the Grand Canyon.
Black Canyon of the Gunnison and Royal Gorge.
Grand Canyon, Black Mesa, Colorado Plateau
Grand Canyon, Black Mesa, and the Colorado Plateau.
The Grand Canyon.
* Black Canyon of the Gunnison ~ Colorado * Bryce Canyon ~ Utah * Columbia River Gorge ~ Pacific Northwest * Grand Canyon ~ Arizona * Grand Canyon of Yellowstone ~ Wyoming * Hells Canyon ~ Idaho and Oregon * Kings Canyon ~ California * Palo Duro Canyon ~ Texas * Red River Gorge ~ Kentucky * Royal Gorge ~ Colorado
* Black Canyon of the Gunnison ~ Colorado * Bryce Canyon ~ Utah * Columbia River Gorge ~ Pacific Northwest * Grand Canyon ~ Arizona * Grand Canyon of Yellowstone ~ Wyoming * Hells Canyon ~ Idaho and Oregon * Kings Canyon ~ California * Palo Duro Canyon ~ Texas * Red River Gorge ~ Kentucky * Royal Gorge ~ Colorado