| First Day Hike | Ha Ha Tonka State Park | Hiking | Jan 1, 2020 |
| Great Backyard Bird Count | Ha Ha Tonka State Park | Interpretive Programs | Feb 14, 2020 to Feb 17, 2020 |
| Spring Wildflower Hike | Ha Ha Tonka State Park | Hiking | May 23, 2020 |
| Children's Story Time | Ha Ha Tonka State Park | Interpretive Programs | May 27, 2020 to Jul 29, 2020 |
| Acorn Trail Wildflower Walk | Ha Ha Tonka State Park | Hiking | May 30, 2020 |
| Concert at the Castle | Ha Ha Tonka State Park | | Jun 2, 2020 |
| Teen Talks | Ha Ha Tonka State Park | Interpretive Programs | Jun 6, 2020 to Jun 27, 2020 |
| Fire and the Landscape | Ha Ha Tonka State Park | Interpretive Programs | Jun 6, 2020 |
| Night Hike: Creep and Crawl | Ha Ha Tonka State Park | Hiking | Jun 13, 2020 |
| Night Hike: Creep and Crawl | Ha Ha Tonka State Park | Hiking | Jun 13, 2020 |
| Night Hike: On the Prowl for Owls | Ha Ha Tonka State Park | Hiking | Jun 20, 2020 |
| The Great Ha Ha Tonka Scavenger Hunt | Ha Ha Tonka State Park | | Jul 4, 2020 |
| Jr. Naturalist Day Camp | Ha Ha Tonka State Park | Interpretive Programs | Jul 14, 2020 to Jul 16, 2020 |
| Night Hike: The Spring After Dark | Ha Ha Tonka State Park | Hiking | Jul 18, 2020 |
| Acorn Trail Widflower Hike | Ha Ha Tonka State Park | Hiking | Aug 1, 2020 |
