Fort Union
Ghost town · Roosevelt County, Montana

Fort Union is a ghost town in Roosevelt County, Montana. It is one of 5 former communities in Roosevelt County on the federal names register. That ranks the county 34th among the 55 Montana counties with a vanished settlement on record.
The U.S. Geological Survey lists Fort Union as a historical populated place on the Bainville SE topographic quadrangle: the name is no longer in official use for a community, whether the settlement was abandoned, absorbed into a neighbouring town or renamed. The recorded location is 48.0097° N, 104.0488° W.
Key facts
| USGS quadrangle | Bainville SE |
|---|---|
| Elevation | 1,955 ft |
| Nearest living town | Trenton, ND |
| Distance to it | 10.4 miles |
| GNIS feature ID | 1669389 |
| Coordinates | 48.00974, -104.04882 |
What's there now
Fort Union is no longer a community in its own right. The nearest living town is Trenton, ND (population 464), about 10.4 miles away in a straight line, and the site sits at roughly 1,955 feet above sea level. Much of the land around former townsites is private; check access before you visit.
Nearby places
- Mondakghost town · Roosevelt County · 0.7 mi
- Javaghost town · Richland County · 1.4 mi
- Charbonneaughost town · McKenzie County · 17.1 mi
- Brorsonghost town · Richland County · 19.8 mi
- Monaghost town · Richland County · 30.2 mi
- Boydghost town · Roosevelt County · 31.6 mi
- Searsghost town · Richland County · 34.2 mi
- Wheelockghost town · Williams County · 41.8 mi
- Schaferghost town · McKenzie County · 42.5 mi
- Deertail Indian Villageghost town · Roosevelt County · 47.3 mi
Questions
Where is Fort Union?
Fort Union is in Roosevelt County, Montana, at 48.0097, -104.0488.
How many ghost towns are in Roosevelt County?
Roosevelt County, Montana has 5 ghost towns on record at Wayfarrow.
- USGS Geographic Names Information System (Domestic Names) — GNIS Domestic Names, feature record (public-domain)
- U.S. Census Bureau TIGER/Line and ACS — Census Gazetteer + ACS 5-year population (public-domain)
Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.