Pompeys Pillar National Monument
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 in conjunction with The Friends of Pompeys Pillar, it consists of only 51 acres (21 ha), making it one of the smallest National Monuments in the U.S. The community of Pompeys Pillar lies just east of the monument.
From Wikipedia, licensed CC BY-SA 4.0.
| Designation | National Monument |
| Managed by | Bureau of Land Management |
| State | Montana |
| Size | 58 acres |
| National Conservation Lands id | NLCS000475 |
| Center point | 45.99° N, 108.00° W |
| Night sky | Very dark ground, a faint glow at most (Black Marble reading 22) |
Boundary map
Boundary, simplified to about 0.005 degrees
The outline is the agency boundary simplified for display, so small parcels and inholdings may not show. The agency page has the authoritative map.
Weather by month
Large units span more than one climate. The station stands in for the center point, and the outer parts of the boundary can be warmer or colder.
Explore
Nearby on the other atlases
- 7.3 miHuntley Project Office ↗Ballantine, MT
Landmarks are listed first, then by distance from the boundary.
Guidebooks for Montana
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Titles come from Open Library's catalog, matched by subject heading or by title.
Reference
Questions people ask
How big is Pompeys Pillar National Monument?
58 acres.
Source: How acreage is computed
Who manages Pompeys Pillar National Monument?
The Bureau of Land Management.
Source: Bureau of Land Management
What state is Pompeys Pillar National Monument in?
Montana.
Source: How states are assigned
How do I get to Pompeys Pillar National Monument?
A point inside the boundary is at 45.995° N, 108.003° W. The official page carries directions and the office address.
Source: Bureau of Land Management
Are there historic places near Pompeys Pillar National Monument?
The National Register has 1 listing within 15 miles, including Huntley Project Office.
Source: Register Atlas
Sources
- Boundary, name: the BLM National Conservation Lands layer.
- States and territories: computed by intersecting the boundary with Census state polygons and coarse outlines of the territories and outlying islands. A place is listed when it holds at least one percent of the area. A boundary that touches no outline is listed under the nearest one.
- Acreage: geodesic area of the published polygon. The agency’s official acreage can differ where the boundary includes water, easements or inholdings.
- Description: Pompeys Pillar National Monument on Wikipedia, CC BY-SA 4.0. The article was accepted because its title contains this unit’s name.
- Campgrounds: the Campsite Atlas index of federal campgrounds, matched to this boundary at build time.
- Night sky: NASA Black Marble (VIIRS, 2016 composite) sampled at zoom 6 around the center point.
- Weather, alerts, air quality, river flow and earthquakes load live in your browser from NWS, AirNow, USGS and iNaturalist when you open the page.