Yellowstone News and Information

Discovering Yellowstone National Park beyond Old Faithful 

The Grand Story of the Grand Canyon of the Yellowstone Yellowstone  Caldera  Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Michael Poland, geophysicist with the U.S. Geological Survey and Scientist-in-Charge of the Yellowstone Volcano Observatory. The Grand Canyon of the Yellowstone is a natural wonder that almost defies description.  The reaction of explorer Charles Cook when he first viewed the canyon in 1869 seems appropriate: “ I sat there in amazement, while my companions came up, and after that, it seemed to me that it was five minutes before anyone spoke. ” Sources/Usage: Public Domain. Lower Falls of the Yellowstone River and the Grand Canyon of the Yellowstone, photographed during a helicopter flyover on August 19, 2019. Stretching from the  Lower Falls to the Tower Falls area , the Grand Canyon of the Yellowstone is about 28 km (17 miles) long, 250–350 meters (820–1150 feet) d