Jefferson Barracks Museums

Jefferson Barracks Historic Site

345 North Road

Saint Louis, MO 63125

The park museums are closed the month of January. The Powder Magazine will reopen February 3rd. The Missouri Civil War Museum is also open year round.

Admission is free but a donation is suggested.

All donations go to the Friends of Jefferson Barracks and are used in part to help preserve this historic site and its buildings. Admission fees to special events may apply.

Guided tours by are appointment only.

For accessibility accommodations, call 314-615-8800 or 800-735-2966 TTY


Old Ordnance Room

Free admission. ($3 Suggested Donation) Homefront Gallery

A new exhibition entitled Courageous and Faithful; The Cavalry at Jefferson Barracks (sponsored by Emerson) will open at Jefferson Barracks Historic Park Old Ordnance Room March 7th 2015.

STL Today Article - Brave cavalry rides again at Jefferson Barracks exhibit


Powder Magazine Museum

Free admission. (Donations accepted)

The Powder Magazine Museum displays St. Louis County Parks’ core collection of artifacts that tell the story of the history of Jefferson Barracks from its inception in 1826 until its closure in 1946.

Visitors Center

Free admission. (Donations accepted.)

The Jefferson Barracks Visitor Center houses the parks gift shop and information center as well as period special events and rentals.

Laborers House and Ordnance Stable

Free admission.

The Laborers House and Ordnance Stable were built in 1851. The house was for civilian laborers that handled the movement and storage of powder and ordance here at Jefferson Barracks. After the Civil War the ordance keeper and his family lived here.

View Park Events

Park Closings:

Trail and road past the pavilion in Unger Park are closed

Lone Elk Park periodic lane closures, Mon - Fri to repair the roads. There will be times when the entire Bison Area will be closed