Arizona.
the Grand Canyon in Arizona and Hell's Canyon in Idaho. Hell's canyon is the deepest canyon in the US.
He did not attempt to jump the Grand Canyon. He tried but failed to jump the Snake River at Twin Falls, Idaho.
Colorado river
* 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
Canyon County Idaho was established in 1892.
Evel Kinevel never attempted a jump of the Grand Canyon. He did attempt a jump of the Snake River at Twin Fallls, Idaho in 1974 which failed, but he was only slightly injured.
In Colorado you could consider the Grand Canyon or the Black Canyon of the Gannon.
By taking I-15 S, they are 737 miles (about 14 and a half hours) apart.
As of the 2000 Census, the population of Canyon County Idaho is, 131,441.
Hells Canyon, located along the border of eastern Oregon and western Idaho, is the United States' deepest canyon/gorge at 7,993 ft (2,436m). It is part of the Hells Canyon National Recreational Area.