Museum

at Mastodon State Historic Site

View a video that interprets the historic site. It is started every half hour during museum hours, with the last showing beginning 30 minutes prior to closing time. Reduced fees are available to groups of 15 or more who reserve a date and time in advance of their visit.

Museum Fees

Hours

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

 

Weather

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Coordinates

38.379051, -90.384673

Park Hours

Historic Site Grounds

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

Historic Site Office

  • 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.

Museum hours

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