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.
- Ashland State Park
- Billerica State Forest
- Callahan State Park
- Cannalonga Memorial Park
- Carlisle State Forest
- Cochituate State Park
- Great Brook Farm State Park
- Hopkinton State Park
- J. Harry Rich State Forest
- Lost Lake Boat Ramp
- Lowell Dracut Tyngsborough State Forest
- Lowell Heritage State Park
- Lowell-Dracut-Tyngsborough State Forest
- Marlborough Sudbury State Forest
- Minuteman Bikeway
- Parallel Park
- Pearl Hill State Forest
- Squannacook Brook State Forest
- Squibnocket Park
- Townsend State Forest
- Whitehall State Park
- Willard Brook State Forest