The Rio Grande winds through the Chihuahuan Desert as it approaches Boquillas Canyon Thursday, May 23, 2019, in Big Bend National Park. Boquillas Canyon is the longest and deepest canyon in Big Bend National Park. The vertical relief from nearby Pico del Carmen, to river level is over 7,000 feet, somewhat deeper than the Grand Canyon of the Colorado which has a maximum depth of 6093 feet.
The Rio Grande winds through the Chihuahuan Desert as it approaches Boquillas Canyon Thursday, May 23, 2019, in Big Bend National Park. Boquillas Canyon is the longest and deepest canyon in Big Bend National Park. The vertical relief from nearby Pico del Carmen, to river level is over 7,000 feet, somewhat deeper than the Grand Canyon of the Colorado which has a maximum depth of 6093 feet.
