The Grafton Forest and Land Conservation Trust owns 140 acres of land spanning 7 properties, and has 3.5 miles of public trails
| Name | Town | Public Trails miles |
|---|---|---|
| Brigham Hill Wildlife Area | Grafton | 1.3 |
| Gummere Wood | Grafton | 1.0 |
| Parker Preserve | Grafton | 0.5 |
| Land Abutting Parker Land | Grafton | 0.4 |
| Prescott Wildlife Sanctuary | Grafton | 0.2 |
| Fletcher Reservation | Grafton | 0.0 |
| Gabelein Wood | Grafton | 0 |