U.S. DEPARTMENT OF THE INTERIORBUREAU OF LAND MANAGEMENT
 
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Pompeys Pillar National Monument
Photo of Pompeys Pillar

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Pompeys Pillar contains the signature of Captain William Clark of the Lewis and Clark Expedition. Clark’s inscription is the expedition’s only remaining physical evidence visible on the Corp of Discovery’s trail. An interpretive center at the site recounts Clark’s journey through the Yellowstone Valley in 1806. The Pillar overlooks the Yellowstone River about 25 miles east of Billings, Montana.

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Monument Information
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Contact Information
  • Physical Address:
    Pompeys Pillar National Monument
    3001 Highway 312
    Worden, MT 59088
  • Mailing Address:
    Pompeys Pillar National Monument
    5001 Southgate Drive
    Billings, MT 59101
  • Phone Number: (406) 875-2400


 
Last updated: 06-12-2015