| Earth Day Celebration and Volunteer Day | Washington State Park | Interpretive Programs | Apr 19, 2025 |
| Memorial Day | Washington State Park | Camping | May 24, 2025 |
| Native Plants Weekend | Washington State Park | Hiking | May 31, 2025 |
| National Trails Day | Washington State Park | Hiking | Jun 7, 2025 |
| CCC Company 1743 Park History Celebration | Washington State Park | Interpretive Programs | Jun 14, 2025 |
| Cave Weekend | Washington State Park | Interpretive Programs | Jun 21, 2025 |
| What to Fear, What to Friend: Insects and Arachnids | Washington State Park | Interpretive Programs | Jun 28, 2025 |
| Fourth of July Celebration | Washington State Park | Interpretive Programs | Jul 5, 2025 |
| Missouri Mammals | Washington State Park | Interpretive Programs | Jul 12, 2025 |
| Birds of Missouri | Washington State Park | Interpretive Programs | Jul 26, 2025 |
| Dark Sky Wonders | Washington State Park | Interpretive Programs | Aug 2, 2025 |
| Celestial Showers: Perseid Meteor Shower Viewing Event | Washington State Park | Interpretive Programs | Aug 9, 2025 |
| Chorus of Insects | Washington State Park | Hiking | Aug 16, 2025 |
| Missouri Streams and Aquatic Life | Washington State Park | Interpretive Programs | Aug 23, 2025 |
| Labor Day: A Look into Mining History | Washington State Park | Camping | Aug 30, 2025 |
| Fall Harvest Fest | Washington State Park | | Oct 4, 2025 |
