There are several operators that offers guided rafting or rowing tours through the Grand Canyon, of varying duration. Most tours start from Lee's Ferry in northern Arizona.
Captured with a 17-40mm wide angle zoom at around 19mm focal length.
This side canyon, Matkatamiba, can only be reached from the Colorado River inside the Grand Canyon. A river rafting or rowing trip is a once in a lifetime experience for anyone with even the slightest affection for the natural wonders of the southwest. The photographer had to scramble up a narrow slot to postion himself and the camera on tripod for this wide angle capture.