These are the parks thicket knows about in Mills — the big ones you already know, and the pocket parks, greenways and trailheads two streets over that you probably do not.
- Bass Memorial Park
- Centennial Park
- City Field Park
- Courthouse Lawn
- Evans Memorial Park
- Folsom Point
- Glenwood Archaeological State Preserve
- Glenwood Lake Park
- Green Hill Ranch
- Haynie Slough
- Highway Number Thirty-Four Roadside Park
- Indian Creek Greenbelt Area
- Keg Lake Wildlife Management Area
- Kenny's Woods
- Lake George Wildlife Refuge
- Memorial Playground
- Mile Hill Lake Park
- Noddleman Island Wildlife Management Area
- PJ Wildlife Area
- Pony Creek Access
- Pony Creek Park
- Ray Thomas Wildlife Preserve
- Saint Mary's Island Wildlife Management Area
- Tree Lake Park
- West Oak Forest
- Whistlestop Park
- Willow Slough State Game Management Area