These are the parks thicket knows about in Windham — the big ones you already know, and the pocket parks, greenways and trailheads two streets over that you probably do not.
- 1892 Conservation Area
- 50 Acre woods
- Adams Open Space
- Agnes' Pasture
- Aicher Preserve
- Airline State Park Trail (North Trail)
- Airline State Park Trail (Northern Section)
- Aldrich Road Open Space
- Alex Caisse Park
- Allanach-Wolf Woodlands
- Ann A. Wright Preserve
- Anna Perry Open Space
- Ashford Memorial Park
- Ashford Town Green
- Bafflin Sanctuary
- Beaudry Open Space
- Beaver Brook State Park
- Beaver Brook State Park Scenic Reserve
- Beeches Recreation Park
- Bernard Church Woods
- Bigelow Howard Valley Game Club
- Bishop Preserve
- Blain Preserve
- Blue Flag Meadow
- Booth Preserves
- Border Woods
- Brooklyn Recreation Park
- Bull Hill Preserve
- Bull Hill Recreation Area
- Campagna Preserve
- Campert Preserve
- Cat Hollow Town Park
- Chaffee Preserve
- Chase and Mary Lee Evans Kimball Memorial Forest
- Chase Reservoir Conservation Area
- Chase Street Open Space
- Chiampa Preserve
- Church Farm Center for Arts and Sciences
- Church Farm Preserve
- Cloutier Memorial Forest
- Cohantic Ledges
- Cole Preserve
- Colts Pond Road Preserve
- Connecticut Waterfowlers Association
- Crystal Pond Park
- Danielson Lions Park
- Dave Shoemaker Demonstration Forest
- Davis Forest
- Davis Park
- Dennis Farm Preserve
- Diana's Pool
- Douglas State Forest
- Dowell Open Space
- Dr. Robert R. Johnston Community Garden
- Duck Marsh Preserve
- Duhamel Park
- Dunn Preserve
- Durand Open Space
- Dzioba Open Space
- East Killingly Soccer Field
- Eastern Connecticut Sportsman Club
- Edward Garrison Park
- Edward R. Laby Memorial Preserve
- Edwin Way Teale Memorial Sanctuary at Trail Wood
- Ferguson Conservancy
- Fin, Fur, and Feather Club
- Fliegel Farm Woods
- Friedman Memorial Forest
- Fuller Preserve
- Gallup Preserve
- Goodell Morse Memorial Forest
- Gosnell Preserve
- Gray Open Space
- Grosvenordale Common
- Grove Street Open Space
- H. E. Preston Nature Sanctuary
- Haberman Haven
- Hall Preserve
- Harvey Preserve
- Harvey Preserve
- Hauser Preserve
- Hayden Preserve
- Hemphill Preserve
- Heritage Way Park
- Highland Drive Open Space
- Hole in the Wall Gang Camp
- Holzer Preserve
- Hubbard Sanctuary
- Industrial Park Road Open Space
- Iron Mine Valley Preserve
- Israel Putnam Monument
- Ivy Glen Memorial
- J. Arthur Atwood Memorial Field
- James L. Goodwin State Forest
- Janice L. Bosworth Meadows
- John F. Simonzi, Sr. Memorial Park
- Josias Byles Sanctuary
- Joyce Townsend Collins Memorial Woodland
- Julia De Burgos Park
- June Norcross Webster Scout Reservation
- Keech Street Open Space
- Kennedy Open Space
- Kenyon Woods
- Killingly Little League Complex
- Killingly Pond State Park Reserve
- Killingly Pond State Park Scenic Reserve
- King Street Open Space
- Kogut Preserve
- Lachance Open Space
- Langhammer Town Forest
- Leclair Preserve
- Lester B. Williams Memorial Forest
- Letters Street Green
- Linda J. Rapoport Memorial Preserve
- Little River Greenway
- Little River Wildlife Area
- Long Pond Preserve
- Lower Pond Preserve
- Lyon Preserve
- Mashamoquet Brook State Park
- Mason Hill Conservation Area
- Maurice and Rita Edwards Preserve
- McWilliam Preserve
- Mechanicsville Park
- Modock Road Open Space
- Mohegan State Forest
- Moosup Park
- Moosup Valley State Park Trail
- Moosup Veterans Park
- Munyan Road Open Space
- Murphy Recreation Park
- Natchaug Property
- Natchaug River Water Access
- Natchaug River Water Access
- Natchaug State Forest
- Nathaniel Lyon Memorial State Park
- Nightingale Forest
- Nipmuck State Forest Laurel Sanctuary
- O'Leary Preserve
- Oak Street Open Space
- Old Breakneck Hill Road Open Space
- Old Furnace State Park
- Owen Bell Park
- Park Road Open Space
- Paul and Avis Spalding Preserve
- Peake Brook Road Open Space
- Philip Lauter Park
- Pinkham Preserve
- Pole Bridge Road Preserve
- Pomfret Green
- Pomfret Little League Field
- Pomfret Rod and Gun Club
- Pomfret Street Open Space
- Pompey Hollow Park
- Pond Factory Road Open Space
- Portbriand Open Space
- Powhattan Street Open Space
- Prospect Street Open Space
- Providence Pike Open Space
- Providence Street Park
- Putnam Civil War Veterans Monument
- Quaddick Reservoir Water Access
- Quaddick State Forest
- Quaddick State Park
- Quandoc Conservation Area
- Quinebaug Fish Hatchery
- Quinebaug Lake State Park Scenic Reserve
- Quinebaug Property
- Rad Ostby Memorial Forest
- Rainsford B. Sherman Memorial Forest
- Rainville Preserve
- Rankin Preserve
- Ravenelle Road Open Space
- Richmond Road Open Space
- Ridge Road Open Space
- Riverside Park
- Riverside Park
- Riverside Park Avenue Open Space
- Robbins Preserve
- Robert and Mary Valentine Preserve
- Robert J. Miller Park
- Rock Spring Wildlife Refuge
- Rocky Hill Refuge
- Roseland Park
- Ross Marsh Wildlife Area
- Ross Pond State Park
- Rotary Park
- Rotary Park
- Sabin Street Open Space
- Schneider Preserve
- Sherman Preserve
- Snake Meadow Club
- Solair Recreation League
- South Street Park
- Stone Preserve
- Streeter Open Space
- Sun Ridge Resort
- Tamler Preserve
- Theodore Gellert Preserve
- Thompson Green
- Thompson Little League Complex
- Thompson War Memorial
- Tinkerville Brook Preserve
- Town Commons
- Town Commons
- Townshend Preserve
- Travis Open Space
- Tucker Preserve
- Two Sister's Preserve
- Valentine Tract
- Veterans Park
- Waldron–French River Preserve
- Walnut Street Open Space
- Webb Lawn
- West Main Street Open Space
- West Thompson Dam Recreation Area
- West Thompson Road Open Space
- White Brook Sanctuary
- Wieloch Preserve
- Williams Preserve
- Willimantic Reservoir
- Willimantic River Water Access
- Wilsonville Playground
- Windham Atlantic White Cedar Bog
- Windham County 4H Camp
- Windham County Soil Conservation District
- Windham Outdoor Education Preserve
- Windham Recreation Park
- Windy Hill Road Open Space
- Woodstock Avenue Open Space
- Woodstock Town Beach
- Yale-Myers Forest
- Yosemite Valley Preserve
- Zeelandia–Roseland Preserve