| Landowner | Properties | Area In Ashburnham Acres |
|---|---|---|
| Town of Ashburnham | 6 | 656 |
| Mass Audobon | 1 | 445 |
| Department of Fish and Game | 4 | 256 |
| DCR - Division of State Parks and Recreation | 2 | 214 |
| Hartshorn Sally | 3 | 131 |
| North Country Conservation Trust | 1 | 48 |
| DCR - Division of State Parks and Recreation / Department of Fish and Game | 1 | 33 |
| Johnson, Woodward T. & Florence M. | 3 | 23 |
| Ashburnham Conservation Trust | 1 | 13 |
| Monodnock Trust (Bsa) | 1 | 0.7 |
| City of Gardner | 1 | 0.6 |