Special Use Area

at Mastodon State Historic Site

Vault Toilet Symbolwater symbolpicnicking symbol

Although a regular campground for individual campers is not available, a special-use camping area with limited facilities is available for reservation by organized youth groups for a small fee. This area features vault toilets, water, picnic tables and fire rings. When not reserved, the area is open for general use. Call 636-464-2976 to reserve the area.

Park Hours


38.377226, -90.400550

Park Hours

For temporary closures related to weather, stewardship activities and maintenance, visit our Park and Site Status Map.

Historic Site Grounds

  • 8 a.m. to one-half hour after sunset, daily, year-round

Museum hours

  • March 16 through Nov. 15
    9 a.m. to noon and 1 p.m. to 4 p.m., Wednesday through Saturday (closed noon to 1 p.m. for cleaning)
    Noon to 4 p.m., Sunday (closed Easter Day)
    Closed Monday and Tuesday
  • Nov. 16 through March 15
    11 a.m. to 4 p.m., Friday and Saturday
    Noon to 4 p.m., Sunday
    Closed Monday through Thursday
    Closed Christmas and New Year's days
Historic Site Office Hours
  • 9 a.m. to 4:30 p.m., Monday through Saturday
  • Noon to 4:30 p.m., Sunday
  • Please note there will be times when the office is temporarily closed while staff are working on the grounds. The office telephone is monitored for messages during office hours.