This historic structure was built by the United States Army in 1909 as bachelor officers' quarters for the cavalry troops who protected the park before the creation of the National Park Service.
Exhibits help orient you to Yellowstone’s natural and cultural treasures, and provide information for a safe and enjoyable visit by visitors of all abilities.
Suggested Activities in the Mammoth Hot Springs Area
Mammoth Hot Springs Area Knowledge
Obsidian was first quarried from this cliff for toolmaking more than 11,000 years ago and gradually spread along trade routes.
Explore this historic US Army post built during the park's early years.
Learn about Mammoth Hot Springs' historical district including the Roosevelt Arch.
Last updated: July 5, 2018