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Cave Weekend

6/21/2025 | Washington State Park | De Soto, MO

Petroglyph tour – 2 p.m. at the petroglyph site

Washington State Park staff will offer a tour of the petroglyphs, the park's history carved in stone! Learn about the Mississippian-era carvings, the culture and community that created them, and possible interpretations. Enjoy a short stroll on a covered walkway with interpretive panels highlighting the cultural features.

Missouri Bats – 4 p.m. in the Big River Day-Use Area

Join park staff for an interactive presentation on Missouri bats! This fascinating program will cover some of the different species of bats, as well as what they eat, where they live, and how they benefit us.

Cave Bubble – 6 p.m. at the campground entrance

Explore cave formations and creatures in a three-dimensional museum format! Crawl into an inflatable cave replica and see how many cave features you can identify using a scavenger hunt.


This event is free and open to the public, and there is no need to register. For more information, call the park office at 636-586-5768.

Event time: 2 p.m. - 8 p.m.

Washington State Park is located at:

13041 State Highway 104, De Soto, MO | 636-586-5768

Associated activities

  • Interpretive Programs