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Picnic Area

at Meramec State Park

picnic tables and grill scattered in open area

Park Hours

Coordinates

38.209459, -91.094211

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 park 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. 

Park Grounds

  • April through October
    7 a.m. to 10 p.m., daily
  • November through March
    7 a.m. to 9 p.m., daily

The park gate opens and closes at these times.

Fisher Cave hours

Educational Cave Tours:

  • Available April 25 through Oct. 15

Regular Cave Tours:

  • May 18-19: 1 p.m. and 3 p.m.
  • May 25-27 (Memorial Day Weekend): 11:30 a.m., 1 p.m. and 3 p.m.
  • June-August: Cave tours will be offered seven days a week at 9:30 a.m., 11:30 a.m., 1 p.m. and 3 p.m.
  • Sept. 1-2 (Labor Day Weekend): Sept. 1: 9:30 a.m., 11:30 a.m., 1 p.m. and 3 p.m. Sept. 211:30 a.m., 1 p.m. and 3 p.m.
  • Sept. 7-8: 1 p.m. and 3 p.m.
  • Closed to regular cave tours Sept. 9-May 15

Tours can be reserved online on our reservation website or can be purchased on demand at the Fisher Cave building, located near the cave entrance. For more information, contact the park at 573-468-6072.

Park Office hours

April through October

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

November through March

8 a.m. to 3:30 p.m., Monday through Friday

Visitor Center hours

April through October (on-season)
9 a.m. to 4:30 p.m., daily 

November through March (off-season)
Closed