National Monument

Fort Union National Monument

Fort Union National Monument is a National Monument in New Mexico. The NPS currently lists 3 active alerts, 0 campgrounds and 1 visitor center, and no entrance fee.

New Mexico National Monument No entrance fee

Updated · NPS Data API

About the park

“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.”

Active alerts

3

Closures

0

Campgrounds

0

Visitor centers

1

Current alerts and closures

3 active NPS alerts as of Oct 28, 2026: 0 closures, 0 danger, 0 caution and 3 information.

Information

Park Open for Normal Hours - Visitor Center Closed

Due to a power outage, the Visitor Center is currently closed and guided tours of the site are not available. Self-guided tour booklets are free and available along with the park ink stamps.

Posted or updated Oct 26, 2026 ·Park conditions on nps.gov

Information

The Park is Closed on Thanksgiving Day, Christmas Day, and New Year's Day each year.

Fort Union National Monument is CLOSED on Thanksgiving Day, Christmas Day, and New Year's Day each year. The closure includes all park grounds and facilities.

Posted or updated Sep 22, 2026 ·Park conditions on nps.gov

Information

New 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.

Posted or updated Nov 6, 2024 ·Details on nps.gov

Entrance fees and passes

This site has no entrance fee, according to NPS fee data.

Things to do

Activities the NPS lists for Fort Union.

Guided ToursSelf-Guided Tours - WalkingLiving HistoryHistoric Weapons DemonstrationJunior Ranger ProgramShoppingBookstore and Park Store

Operating hours

The monument grounds and visitor center are generally open 7 days a week, from 8:00 AM - 4:00 PM. The monument is closed Thanksgiving Day, Christmas Day, New Year's Day.

Fort Union National Monument Operating Hours
DayHours
Monday8:00AM - 4:00PM
Tuesday8:00AM - 4:00PM
Wednesday8:00AM - 4:00PM
Thursday8:00AM - 4:00PM
Friday8:00AM - 4:00PM
Saturday8:00AM - 4:00PM
Sunday8:00AM - 4:00PM

Weather: Fort Union is situated at 6,760 feet above sea level. Daytime temperatures between June and September may exceed 90 degrees Fahrenheit. Winter temperatures often drop below 32 degrees Fahrenheit.

Contact and directions

Phone
505-425-8025 ext. 1
Email
[email protected]
Address
3115 NM Highway 161, Watrous, NM 87753
Coordinates
35.9070, -105.0145· View on OpenStreetMap

Official park page on nps.gov Directions

Visitor centers

Visitor centerStandard hoursPhonePassport stamp
Fort Union National Monument Visitor CenterDaily: 8:00AM - 4:00PM5054258025Yes

Campgrounds

No NPS campgrounds are listed for this site. Nearby national forests or state parks may offer camping.

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Nearest other NPS sites

Sources

  • Park details, alerts, fees and passes, visitor centers and campgrounds: National Park Service Data API, snapshot of Oct 28, 2026.
  • Official park page: https://www.nps.gov/foun/index.htm
  • Data: National Park Service (NPS) Data API, U.S. Department of the Interior (developer.nps.gov). This product uses the NPS Data API but is not endorsed or certified by the National Park Service. The National Park Service and the U.S. Department of the Interior do not endorse OpenParks. Photos are NPS images shown with their original credits; park descriptions are short excerpts credited to the NPS. Always confirm current conditions on nps.gov before you travel.