Pompey's Pillar

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Last Updated: December 5, 2025

Get the latest Parks, Parks, and Recreation for Pompey's Pillar in Montana. Upper Yellowstone-Pompeys Pillar, Montana Parks and Recreation


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Summary

Pompey's Pillar is actually located in the state of Montana, but it is a natural sandstone rock formation and a National Historic Landmark. It is not a pillar or monument dedicated to Pompey, a historical figure from Ancient Rome.

Located about 30 miles east of Billings, Montana, Pompey's Pillar is a significant site for its historical and cultural value. It is home to the only remaining physical evidence of the Lewis and Clark Expedition. Visitors can see the signature of William Clark, one of the leaders of the expedition, engraved on the rock face. The site also offers beautiful views of the surrounding landscape.

The best time to visit Pompey's Pillar is during the summer months when the weather is mild, and the site is open for visitors. There are guided tours available, and visitors can also explore the interpretive center and museum, which offer more information about the history of the area.

Overall, Pompey's Pillar is an excellent destination for history buffs and outdoor enthusiasts who want to learn more about the Lewis and Clark Expedition and enjoy the natural beauty of Montana.

       

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Park & Land Designation Reference

National Park
Large protected natural areas managed by the federal government to preserve significant landscapes, ecosystems, and cultural resources; recreation is allowed but conservation is the priority.
State Park
Public natural or recreational areas managed by a state government, typically smaller than national parks and focused on regional natural features, recreation, and education.
Local Park
Community-level parks managed by cities or counties, emphasizing recreation, playgrounds, sports, and green space close to populated areas.
Wilderness Area
The highest level of land protection in the U.S.; designated areas where nature is left essentially untouched, with no roads, structures, or motorized access permitted.
National Recreation Area
Areas set aside primarily for outdoor recreation (boating, hiking, fishing), often around reservoirs, rivers, or scenic landscapes; may allow more development.
National Conservation Area (BLM)
BLM-managed areas with special ecological, cultural, or scientific value; more protection than typical BLM land but less strict than Wilderness Areas.
State Forest
State-managed forests focused on habitat, watershed, recreation, and sustainable timber harvest.
National Forest
Federally managed lands focused on multiple use—recreation, wildlife habitat, watershed protection, and resource extraction (like timber)—unlike the stricter protections of national parks.
Wilderness
A protected area set aside to conserve specific resources—such as wildlife, habitats, or scientific features—with regulations varying widely depending on the managing agency and purpose.
Bureau of Land Management (BLM) Land
Vast federal lands managed for mixed use—recreation, grazing, mining, conservation—with fewer restrictions than national parks or forests.
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