These are the parks thicket knows about in Middlesex — the big ones you already know, and the pocket parks, greenways and trailheads two streets over that you probably do not.
- Abe Tempkin Preserve
- Agogliati Field
- Airline Road
- Airline State Park Trail (Southern Section)
- Alice Fern Bruce Preserve
- Allyn Brook Park
- Alyce and Robert Schulte Preserve
- Axelrod Preserve
- Ayers Preserve
- Ballahack Preserve
- Barbara "Bobbi" Edinger Pocket Park
- Bargate Road
- Bartlett Hill Preserve
- Bartlett Street Open Space
- Beaver Ledges Preserve
- Bell Aire Terrace Open Space
- Bernstein Preserve
- Bill Nolan Field
- Bloch Preserve
- Blow Hole State Park
- Bowers Preserve
- Boy Scouts of America Troop 44
- Boynton Preserve
- Brainard Homestead State Park Scenic Reserve
- Bransfield Park
- Brickyard Ballfield
- Brownstone Exploration and Discovery Park
- Brownstone Park
- Burnham Brook Preserve
- Burr Preserve
- Bushy Hill Nature Preserve
- Butternut Hollow Park
- Camp Pardee Preserve
- Canfield - Meadow Woods Nature Preserve
- Captain George Comer Memorial State Park
- Carini Preserve
- Carlson Preserve
- Cedar Lake Road Open Space
- Cedar Meadow Preserve
- Chapal Farm Preserve
- Chapman Mill Pond Open Space
- Chapman Pond Preserve
- Chatfield Hollow State Park
- Chester Creek Preserve
- Chittenden Hill Preserve
- Clark Community Park
- Clark Field
- Clarke Preserve
- Clinton Town Beach
- Cobolt Landing
- Cockaponset State Forest
- Cockaponset State Forest
- Community Center
- Comstock Park
- Comstock Pond/Stream
- Congregational Nature Sanctuary
- Connecticut Sportsmen's Association
- Connecticut Valley Railroad State Park Trail
- Connecticut Valley Railroad State Park Trail
- Conservation Showcase
- Constance Baker Motley Preserve
- Country Village Lane
- Cromwell Fire District Open Space
- Cromwell Fish & Game Club
- Cromwell Landing
- Culver Lane Open Space
- Curtis Woodland
- Daniel P. Wren Park
- Dart Island State Park
- Davison Memorial Walking Park
- Dean Easement
- Deane Haag Property
- Deep River Marina Conservation Easement
- Deer Lake Camp
- Devils Hopyard State Park
- Devitt Field
- Dickinson Preserve
- Dinosaur Tract Park
- Doanes' Woods
- Dombroski-Meadow Brook Preserve
- Duncan Preseve
- Durham Meadows Wildlife Management Area
- Durham Rod And Gun Club
- Durham Town Green
- Eagle Landing State Park
- East Haddam Town Beach
- Edith Lefebvre Preserve
- Eightmile River Wildlife Management Area
- Essex Land Trust
- Essex Park
- Essex Tennis Courts
- Evelyn & Hawthorne Smyth Sanctuary
- Evergreen Hill
- Falls River Sanctuary
- Fenwood Extension Preserve
- Fenwood Preserve
- Fern Ledge
- Ferris Salt Marsh
- Ferry Road Ball Field
- Field Park
- Filley Road Open Space
- Fireman's Recreation Area
- Florence Bidwell Sanctuary
- Forest Ridge Road Open Space
- Forster Pond State Park
- Fort Saybrook Monument Park
- Fox Hill Drive
- Frank S. Marszalek Park
- Frederick White Farm
- Friendly Acres Farm
- Gelston Easement
- General John Hoar Preserve
- George C. Lyon Nature Preserve
- George D. Seymour State Park Scenic Reserve
- Gillette Castle State Park
- Golet Farm Preserve
- Great Cedars Conservation Area
- Great Hill Park
- Great Meadow
- Guetliweg Preserve
- Gulielmetti Open Space
- Haddam Island State Park Scenic Reserve
- Haddam Meadows State Park
- Haddam Wildflower Gorge (Ct Audubon Society)
- Haddam–Chester Line Open Space
- Hammonasset Beach State Park
- Hammonasset Fishing Association Lands
- Hammonasset River
- Hammond Mill Preserve
- Harbor Park
- Harris Reserve
- Harvey's Beach
- Hatch Lot Reserve
- Helen Carlson Wildlife Sanctuary
- Heron Pond Preserve
- Hidden Valley Conservation Easement
- Hidden Valley Farm Preserve
- Higby Mountain Easement
- Higganum Reservoir State Park
- High St,Rear
- Highland Pond Preserve
- Highlawn Forest
- Hillside Association
- Horse Hill Woods Open Space
- Howard Easement
- Hubbard Field
- Hubbard Park
- Hurd State Park
- Incarnation Center
- Indian River Recreation Complex
- Ingham Hill Road (Geron)
- Irene Sheldon Memorial Park
- James Glen
- Jean's Island
- Jesse Buell Forest
- Johnson Farm Preserve
- Jones Beach
- Kashanski Easement
- Kavanagh Park
- Kenilworth Forest
- Killingworth Recreational Park
- Killingworth Reservoir Watershed Reserve Land
- King Property
- Kirtland Landing
- Kruger Preserve
- Lake Hammonasset Public Watershed Land
- Lar Fagan Sanctuary
- Lena Reserve
- Liberty Green
- Liberty Lane
- Loos Pond Conservation Area
- Lord Island
- Lord Wellington Preserve
- Lucy Strickland Estate
- Machimoodus State Park
- Machimoodus State Park
- Main Street Park
- Margaret Bigelow Dunham Wildlife Preserve
- Maromas Wildlife Mangement Area
- McCarthy Park
- Meeting House Green
- Menunketesuck Wildlife Management Area
- Merrow Preserve
- Meshomasic State Forest
- Mica Ledges
- Middlesex Land Trust
- Miller Farm Preserve
- Millers Pond State Park Scenic Reserve
- Millington Green
- Millstone Hill Sanctuary
- Monica's Woods
- Moodus Sportsmen's Club
- Morris Hubbard Road Open Space
- Mount Pisgah Open Space
- Municipal Triangle
- Nature Trail Preserve
- Nedobity Preserve
- Nichols Field
- Nod Rd-Sunnybrook La
- Nod Road #71
- North Quarter Park
- Oak Ledges Preserve
- Oakwood Soccer Park
- Okumsett Preserve
- Old Saybrook Town Beach
- Old Saybrook Town Green
- Old Saybrook Town Launching Ramp (North Cove Road)
- Olde Field Preserve
- Olde Orchard Road
- Otte Meadows Durham CT Open Space
- Owned by City of Middletown
- Owned by Polish Falcons
- Owned by Rockfall Foundation
- Palmer Taylor Preserve
- Park Triangle
- Parkers Point
- Parmelee Brook Preserve
- Patchogue Riverfront
- Pecausett Harper Preserve
- Pecausett Johnson Kalinowsky Preserve
- Peckham Field
- PeGus's Path Preserve
- Pendleton-Grossman Preserve
- Peters Memorial Woods
- Pierson Park
- Pine Brook Falls Preserve
- Pine Brook Preserve
- Platt Nature Center
- Platt Preserve
- Plattwood Park
- Playground Trails
- Pond Meadow
- Portland Air Line Trail Spur
- Portland Farmers Fish and Game Club
- Portland Farmers Fish and Game Club
- Portland Recreational Complex
- Portland Reservoir
- Portland Riverfront Park
- Rattlesnake Brook Preserve
- Rattling Valley Ridge Preserve
- Ravine Park
- Red Mill Preserve
- Rich Island
- Riverfront Park
- Riverport Park at Frisbee Landing
- Roaring Brook Reserve
- Robbie Road Reserve
- Rock Park
- Ron McCutcheon Park
- Rose Farm Homestead
- Rotary Skating Pond (Route 82)
- Roy Huse Collins Preserve
- Sabine Preserve
- Salmon River Division
- Salt Island
- Sandy Brook Road
- Sassafras Lane
- Scudder Preserve
- Seamster Park
- Sears Park
- Seaside Avenue Open Space
- Seven Falls Highway Park
- Shailor Ledges Preserve
- Sheepskin Hollow Preserve
- Shepherd's Nine
- Shugrue Farm Reserve
- Silver Birch Lane
- Silvio O. Conte National Fish and Wildlife Refuge
- Smith Park
- Snell-Talbot Preserve
- South Cove Access
- Spear Park
- Spiderweed Preserve
- Sterry Preserve
- Stuart Brook Preserve
- Sunset Pond
- Sunset Ridge Preserve
- Swan Hill Preserve
- Taylor–Edgewood Open Space
- The Nature Conservancy Goodwin Marsh (Owned)
- The Nature Conservancy Selden Creek (Owned)
- The Preserve
- Timberlane Preserve
- Tom ODell Memorial Open Space
- Tomasso Ballfield
- Town Beach Preserve
- Town Of Cromwell Open Space
- Town Of Old Saybrook Dock (Sheffield Street)
- Town Open Space
- Town Open Space (4 River Road)
- Town Open Space (Allyn Brook)
- Town Open Space (Brickyard & Fairy Dell Rds)
- Town Open Space (Durham Road)
- Town Open Space (Fairy Dell Road)
- Town Open Space (Filley Road)
- Town Open Space (Glenwood Road)
- Town Open Space (Green Meadow Drive)
- Town Open Space (Grove Beach Road, North)
- Town Open Space (Grove Beach Road, North)
- Town Open Space (High & North High Streets)
- Town Open Space (Indian Hollow Road)
- Town Open Space (Kelseytown & Carter Hill Rds)
- Town Open Space (Magna Lane)
- Town Open Space (Mcveagh Road)
- Town Open Space (Mcveagh Road)
- Town Open Space (Mcveagh Road)
- Town Open Space (Navajo Trail)
- Town Open Space (Old Stage Road)
- Town Open Space (Pine Brook)
- Town Open Space (Route 149)
- Town Open Space (Salt Works Road)
- Town Open Space (Tuttle Road)
- Town Open Space (West Pond Meadow Road)
- Town Open Space (White Birch Estates)
- Town Open Space (Young Street)
- Town Open Space/Landfill
- Town Park At Jennings Pond
- Town Park On Pattaconk Brook
- Town R.O.W (Middle Beach)
- Triangle (Deep River Road)
- Trimountain State Park Scenic Reserve
- Turtle Creek Preserve
- Tynan Memorial Park
- Union Street Preserve
- Upper Pine Brook Preserve
- Urbanik Reserve
- Valour Memorial Green
- Veterans Memorial Park
- Village Green
- Viney Hill Brook Park
- Wadsworth Falls State Park
- Wagner Wildlife Sanctuary
- Walter E. Mislick Memorial Preserve
- Wangunk Meadows Wildlife Management Area
- Washburn Hill Preserve
- Watrous Park
- Weiss-Loveday Watershed
- Welter Woods
- Westbrook Town Beach
- Westbrook Town Green
- Whittlesey Brook Preserve
- Wildwood Road Open Space
- William Jezek Memorial Preserve
- Williams Woodland Preserve
- Windswept Ridge
- Wood Preserve
- Woodja Hill
- YMCA Camp Ingersoll
- Zoar Park