Exposed to the wind, within a sweeping valley of short grass prairie, and along the eroded Santa Fe Trail, lie the adobe walled ruins of the largest 19th century military fort in the region. From 1851 to 1891, Fort Union functioned as an agent of change, desired or not, in the New Mexico Territory and throughout the Southwest.
Current Alerts
- CautionPartial Trail Closure
The crossover trail through the center of the historic area, near the flagpole, is temporarily closed for safety. The remainder of the main park trail is open.
- InformationNew Mexico Road Advisories
The New Mexico Department of Transportation updates its map of road advisories regularly. Visitors are encouraged to look for any possible road advisories along their route of travel beforehand.
More info →
Source: National Park Service.
Upcoming Events
- “A Play of Candlelight” Annual ProgramSat Sep 05 2026