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Shelter

at Mastodon State Historic Site

To reserve this shelter, or to check for availability, visit our reservation page* or contact the historic site at 636-464-2976.

*Shelters can be reserved online from 30 days to 12 months in advance of the day of use. Reservations for arrival dates less than 30 days out can be made only by contacting the park.

picnic shelter

Shelter Amenities
  • Eight picnic tables
  • One grill
  • Maximum occupancy: 80
  • Distance to creek: 300 yards
  • Distance to playground: 50 feet
  • Distance to restrooms: 150 yards

For more information about the historic site's picnic area, click here.

Park Hours

Park Hours

Weather

Check Weather

Coordinates

38.379444, -90.395000

Park Hours

For temporary closures related to weather, stewardship activities and maintenance, as well as temporary trail closures, click here to 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: Thanksgiving Day; Nov. 29, 2024; Christmas Eve; Christmas Day; New Year’s Eve; New Year’s Day; 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

Museum closed Monday and Tuesday

9 a.m. to 4:30 p.m. Wednesday through Saturday

Noon to 4:30 p.m. Sunday (closed Easter Sunday)

Nov. 16 through March 15

Museum closed Monday through Wednesday

11 a.m. to 4 p.m. Thursday through Saturday

Noon to 4 p.m. Sunday

Historic Site Office Hours

9 a.m. to 4:30 p.m., Monday through Saturday

Noon to 4:30 p.m., Sunday (closed Easter 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.