page_title: Keystone Canyon
section_title: Features
hierarchical_section_title: Keystone Canyon / Features
context_page_description: Keystone Canyon is a gorge near Valdez in the U.S. state of Alaska. Situated at an elevation of 307 feet, its walls are almost perpendicular. It measures 3 miles in length, connecting the upper and lower valleys of Lowe River.
caption: Horsetail Falls
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