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Billings, Little Big Horn, and the Montana Plains Sights

Pompey's Pillar National Monument

  • Geological Site

Updated 12/31/1969

Fodor's Review

Although the route will take you slightly out of the way, take I–94 on your way to Hardin and stop at Pompey's Pillar National Monument, the only on-site physical evidence of the Lewis and Clark expedition. When William Clark saw this small sandstone mesa rising out of the prairie along the Yellowstone River on July 25, 1806, he climbed to the top to survey the area and then marked it with his signature and the date. His graffiti, along with other engravings by early-19th-century

fur traders and homesteaders, is still visible. You can climb to the top of the mesa and view the signature year-round during daylight hours. Festive "Clark Days" are held the last weekend in July, the anniversary of the explorer's visit to the knob. To get to Hardin, continue east on I–94 for a few miles and then head south on Highway 47.

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Sight Information

Address:

I–94, 25 mi east of Billings, Billings, Montana, 59064, United States

Phone:

406-875–2400

Sight Details:

  • $7 per vehicle or free when interpretive center is closed
  • Apr. 30–Labor Day, daily 8–8; Labor Day–Oct. 28, 9–4

Updated 12/31/1969

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