Pompeys Pillar National Monument is a historical site located in Pompeys Pillar, Montana, United States of America. It is named after the famous explorer William Clark's signature, which is carved into the sandstone pillar. The monument is a significant landmark along the Lewis and Clark Expedition trail, providing a glimpse into the rich history and exploration of the American West.
Visiting Pompeys Pillar National Monument allows visitors to immerse themselves in the extraordinary history of the Lewis and Clark Expedition, one of the most iconic explorations in American history. Here, you can witness William Clark's signature and explore the surrounding area that showcases the natural beauty of Montana.