Pompeys Pillar National Monument, Pompeys Pillar

4.6
#24 of 75 in Nature in Montana
Pompeys Pillar National Monument is a rock formation located in south central Montana, United States. Designated a National Monument on January 17, 2001, and managed by the U.S. Bureau of Land Management, it consists of only, making it one of the smallest National Monuments in the U.S. It was previously designated a National Historic Landmark on July 25, 1965. The new Pompeys Pillar Interpretive Center opened in 2006. Exhibits in the 5,700-square foot center relate the journey of Captain William Clark and his detachment, including Sacagawea and her son Pomp, down the Yellowstone River Valley in 1806.The pillar itself stands 150 feet (45 m) above the Yellowstone River and consists of sandstone from the late Cretaceous Hell Creek Formation, 75 – 66 million years ago. The base of the pillar is approximately 1acre.The pillar features an abundance of Native American petroglyphs, as well as the signature of William Clark, co-leader of the Lewis and Clark Expedition. Clark's inscription is the only remaining physical evidence found along the route that was followed by the expedition.
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Pompeys Pillar National Monument Reviews
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TripAdvisor Traveler Rating 4.5
170 reviews
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4.6
TripAdvisor
  • This was wonderful, such a historical site. They did a great job on the displays and walking around the monument was so relaxing and felt like we were right with Lewis and Clark in their discoveries. ...  more »
  • We were travelling by car from Bismarck, ND to Seattle WA, along the I94/I90 and caught sight of the turning to the Pillar. As Australians, we knew a little of the Lewis and Clark exploration and were...  more »
  • Museum is well put together. Lots of interesting displays. The museum is handicap accessible, but to view the pillar itself is not. There are quite a few steps up to see the Clark signature, but well ...  more »
Google
  • Glad they stayed open longer than normal tourist season. I've lived a short distance away my whole life and at 32 I finally made the short trek over. I was pleasantly surprised by the visitor center. The animal museum was cool too. Nice place to get away and get a short hike in or have a picnic. Handicap accessible parking. The gals running the park were friendly and helpful. We also got to see a small Gardner/water snake.
  • Peaceful out of way historic site. Worth the walk to top to view where William Clark engraved his name in stone. He was the Clark of the Lewis and Clark expedition heading to the Pacific Ocean. the pillar is named in honor of Sacagawea's son. Sacagawea was the guide and basically got no recognition for her major accomplishment. The view from the top is beautiful.
  • Took my nephews to see this...it is such a great place to experience history. I went during off hours so we had a good long walk down the road but it was worth it. Loves the boardwalk to the top of the pillar and the museum and displays outside as we were walking up. So much perspective of history
  • Historic place to see. Even when closed (off-season) you can make the short walk to the Pillar and see it up close.
  • Wonderful, small monument which contains the sole remaining physical evidence of Lewis and Clark's amazing journey, Clark's name inscribed in a natural sandstone tower close to the Yellowstone River. Majestic views of the surroundings. Important note: closed during the winter.

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