Pompeys Pillar NM

Pompeys Pillar National Monument is a unique and historically significant site located in south-central Montana. The monument consists of a towering sandstone formation rising 150 feet above the Yellowstone River, with an engraved rock outcropping at its summit. The pillar features an abundance of Native American petroglyphs, as well as the signature of William Clark, made during his famous expedition with Meriwether Lewis in 1806. The monument is a popular destination for visitors interested in exploring the area's rich history and natural beauty, with opportunities for hiking, wildlife viewing, and picnicking. Visitors can also explore the interpretive center, which houses exhibits detailing the region's Native American history, the Lewis and Clark Expedition, and the geology and ecology of the area.