These are the parks thicket knows about in Osceola — the big ones you already know, and the pocket parks, greenways and trailheads two streets over that you probably do not.
- Ackermen's River Woods
- Ashton Pits Wildlife Management Area
- Ashton Wayside Park
- Central Park
- Dagel Unit - Otter Creek Wildlife Management Area
- Devil's Ridge Wildlife Management Area
- Dirk's Wildlife Management Area
- East Holman Wildlife Area
- Ely Bauermeister Wildlife Management Area
- Fairgrounds Park
- Goewey Prairie Cemetery Preserve
- Horton Township Cemetery Prairie Preserve
- Houwen's Habitat
- Iowa Lake
- Johnson Wilderness Area
- Leinen Pits
- Loof Wildlife Management Area
- May City Wildlife Management Area
- Melvin Arboretum Park
- Ocheyadan Y Rest Area
- Ocheyedan Mound State Preserve
- Ocheyedan Pits Recreation Area
- Ocheyedan Town Park
- Ocheyedan Well Wildlife Area
- Peter's Pit
- Ransom Wildlife Management Area
- Robinson Park
- Roelf-Johnson Wildlife Management Area
- Rush Lake State Game Management Area
- Schnepf Wildlife Area
- Sharbondy Park
- Sibley Unit - Otter Creek Wildlife Management Area
- Snyder Wildlife Management Area
- Strouth Wildlife Management Area
- Sunset Park
- Sutton Lake Marsh Wildlife Management Area
- Swalve Wildlife Management Area
- Swanson Wildlife Area
- Thomas Pit
- Timmons Wildlife Refuge
- Veldboom Wildlife Management Area
- Viola Wildlife Management Area
- Wasmund Slough
- West Ashton Park
- Wheeler Wildlife Refuge
- Willow Creek County Recreation Area
- Willow Creek Fen Wetland Area
- Wilson Pit Wildlife Area
- Wolter's Prairie