Granite Canyon is located in Grand Teton National Park, in the U. S. state of Wyoming. The canyon was formed by glaciers which retreated at the end of the last glacial maximum approximately 15,000 years ago, leaving behind a U-shaped valley.
Located in Grand Teton National Park, Granite Canyon was carved out by glaciers that retreated approximately 15,000 years ago, leaving behind a distinctive U-shaped valley.