Shelter

at Mastodon State Historic Site

Click here for information about how to reserve this shelter.

picnic shelter

Park Hours

Coordinates

38.379444, -90.395000

Park Hours

Historic Site Grounds

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

Museum hours

  • March 16 through Nov. 14
    9 a.m. - 4:30 p.m. Monday-Saturday*
    Noon - 4:30 p.m. Sunday (closed Easter Day)
  • Nov. 15 through March 15
    11 a.m. - 4 p.m. Monday, Friday and Saturday
    Closed Tuesday-Thursday
    Noon - 4 p.m. Sunday
    Closed New Year's, Thanksgiving and Christmas days
Historic Site Office Hours
  • 9 a.m. to 4:30 p.m., Monday through Saturday
  • 12 p.m. 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.