36 Trails in Groton, Massachusetts
| Rank | Trail Name | Difficulty | Length (mi) | Rating | City |
|---|---|---|---|---|---|
| 1. | Russell Mill | Intermediate | 7.0 |   |
Chelmsford |
| 2. | Leominster State Forest | Advanced | 10.0 |  |
Princeton |
| 3. | Mt. Pisgah | Intermediate | 8.0 | |
Northborough |
| 4. | Yudicky Farm | Intermediate | 10.0 | |
Nashua |
| 5. | Musquash Conservation Area | Intermediate | 7.0 | |
Londonderry |
| 6. | Billerica State Forest | Intermediate | 9 | |
Billerica |
| 7. | Horse Hill Nature Preserve | Intermediate | 10.0 | |
Merrimack |
| 8. | Lowell-Dracut-Tyngsborough State Forest | Advanced | 10.0 | |
Lowell |
| 9. | Tucker Brook Town Forest | Intermediate | 6.0 | |
Milford |
| 10. | Great Brook State Park | Beginner | 15.0 | |
Carlise |
| 11. | Weston College Land | Beginner | 5.0 | |
Weston |
| 12. | Pearl Hill State Park | Beginner | 20.0 | |
Townsend |
| 13. | Salamander to Silverfish to Skyline | Intermediate | 7.0 | |
Amherst/Merrimack |
| 14. | Groton Town Forest | Beginner | 6.0 | |
Leominster |
| 15. | Mines Falls Park | Beginner | 12.0 | |
Nashua |
| 16. | Oak Hill | Advanced | 8.0 | |
Littleton |
| 17. | Vaughn Hill/bower Spring Trail System(s) | Advanced | 4.0 | |
Bolton/harvard |
| 18. | Beaver Brook Association | Intermediate | 14.0 | |
Hollis |
| 19. | Rattlesnake Hill | Advanced | 7.0 | |
Bolton |
| 20. | 10 Mile Groton Town Forest Singletrack Link-up (Groton Town Forest) | Beginner | 10.0 | |
Groton |
| 21. | Boxborough Area Trails | Intermediate | 10.0 | |
Boxborough |
| 22. | Townsend State Forest | Beginner | 15.0 | |
Townsend |
| 23. | Gardner Hill Town Forest | Intermediate | 6.0 | |
Stow |
| 24. | Jerico Town Forest | Beginner | 5.0 | |
Weston |
| 25. | Hitchinpost Greens | 1.0 | |
Westford | |
| 26. | Weston Aquaduct and Unused Rail Loop | 25.0 | |
Weston | |
| 27. | Spalding Park Town Forest | 5.0 | |
Hollis | |
| 28. | Kirby-ivers Town Forest | 1.0 | |
Pelham | |
| 29. | Pine Meadow Conservation Area | 5.0 | |
Ayer | |
| 30. | Gregg Woods | 5.0 | |
Dunstable | |
| 31. | South Groton Trails | 10.0 | |
Groton | |
| 32. | Ayer to Nashua Rail Trail | Beginner | 16.0 | |
Pepperell |
| 33. | Mayflower Hill/Patch Hill | 5.0 | |
Milford | |
| 34. | Fort Rock | 7.0 | |
Littleton | |
| 35. | Monson (Hollis, NH) | 5.0 | |
Hollis | |
| 36. | Special Ops (♦) | 0.68 | |
Groton |
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