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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. The special-use camping area is designated for group camping, with nonprofit organizations and youth groups having priority. This area features vault toilets, water, picnic tables and fire rings. When not reserved, the area is open for general use. The fee for use of the area is $2 per person, per night. To reserve the area for your group, call 636-464-2976.

Park Hours

Park Hours

Weather

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Coordinates

38.377226, -90.400550

Park Hours

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

On the following days (actual or observed), staff will not be available and site buildings will be closed: Christmas Eve; Christmas Day; New Year’s Eve; New Year’s Day; Jan. 2, 2023; Martin Luther King Jr. Day; Lincoln’s Birthday; and Presidents Day. 

Historic Site Grounds

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

Museum hours

  • March 16 through Nov. 15
    9 a.m. to  4:30 p.m., Monday through Saturday
    Noon to 4:30 p.m., Sunday
    Closed Easter Sunday
  • Nov. 16 through March 15
    11 a.m. to 4 p.m., Thursday, Friday and Saturday
    Noon to 4 p.m., Sunday
    Closed Monday through Wednesday
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.