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Home > The Drives > Lewis & Clark National Historic Trail > Key Landmarks & Attractions > Pompey's Pillar National Monument and Interpretive Center
Pompey's Pillar National Monument and Interpretive Center
Captain Clark’s inscription of his name on Pompey's Pillar is the only remaining physical evidence of the Lewis and Clark Expedition. This historic carving on the sandstone butte that Clark called a “remarkable rock” has inspired generations of visitors for more than 100 years. In his journals, Clark named the Pillar "Pomp’s Tower." Pomp was Clark’s nickname for young Baptiste Charbonneau, infant son of Sacagawea, the Shoshoni woman who accompanied the expedition and contributed greatly to its success. Pompey's Pillar was proclaimed a national monument in January 2001.
Visitors will find an outstanding Interpretive Center that hosts exhibit, a gift store, and conducts guided tours and events. It is open:
May 4 - May 22 9:00 am - 4:00 pm
May 23 - Labor Day: 8:00 am - 8:00 pm
Labor Day through October 9th: 9:00 am - 4:00 pm
Walk in traffic permitted during the off season. Please respect your cultural heritage.
Billings Montana , 59101
Website: http://www.pompeyspillar.org/
Email: info@pompeyspillar.org
Phone: 406-875-2400
