| Evening Interpretive Program Series: "Nights at the Campground" | Annie and Abel Van Meter State Park | Camping | Apr 17, 2021 to Aug 28, 2021 |
| Campground Trick-or-Treating | Watkins Mill State Park | Camping | Oct 16, 2021 |
| Campground Trick-or-Treating | Watkins Woolen Mill State Historic Site | Camping | Oct 16, 2021 |
| Campground Halloween Event | St. Francois State Park | Camping | Oct 23, 2021 |
| Wakonda Spooktacular 2021 | Wakonda State Park | Camping | Oct 23, 2021 |
| Babler's Fourth Annual Fall Festival | Dr. Edmund A. Babler Memorial State Park | Camping | Oct 30, 2021 to Oct 31, 2021 |
| Public Halloween Event | St. Francois State Park | Camping | Oct 30, 2021 |
