The spectacular Upper falls of the Grand Canyon of the Yellowstone.
The Grand Canyon of the Yellowstone is the first large canyon on the Yellowstone River downstream from Yellowstone Falls in Yellowstone National Park. The canyon is approximately 24 miles long, between 800 feet and 1,200 feet deep and between one quarter of a mile and three quarters of a mile wide.
Location: Yellowstone National Park, Wyoming
Photographer: brian swales