1. Start at the trailhead, heading NW.
2. 0.1 miTurn right, heading N.
3. 150 ftBear right onto Nashua River Rail Trail, heading N.
4. 0.8 miTurn left, heading N.
5. 50 ftPass Groton School Pond.
6. 150 ftBear left, heading SW.
7. 450 ftTurn left, heading W.
8. 0.1 miBear right, heading S.
9. 0.4 miTurn right, heading W.
10. 250 ftTurn left, heading W.
11. 0.4 miBear right, heading S.
12. 0.5 miTurn right, heading NW.
13. 0.6 miTurn left, heading W.
14. 50 ftTurn right onto Gardner Terrace, heading W.
15. 0.3 miTurn right onto Wharton Road, heading W.
16. 450 ftPass Dead River.
17. 150 ftTurn left onto Lawrence Lane, heading W.
18. 0.1 miTurn left, heading N.
19. 100 ftBear right, heading N.
20. 0.2 miBear left, heading NW.
21. 50 ftBear left, heading W.
22. 50 ftTurn right, heading W.
23. 0.5 miReach Groton School Pond, then turn around and head back the way you came.
24. 0.5 miTurn left, heading S.
25. 100 ftBear right, heading S.
26. 0.2 miTurn right, heading E.
27. 450 ftBear left, heading SE.
28. 0.2 miTurn right, heading E.
29. 0.1 miContinue straight onto Wharton Road, heading E.
30. 50 ftTurn left onto Gardner Terrace, heading E.
31. 0.3 miTurn left, heading E.
32. 50 ftTurn right, heading SE.
33. 0.6 miTurn left, heading E.
34. 0.5 miBear left, heading SE.
35. 0.4 miTurn right, heading N.
36. 250 ftTurn left, heading N.
37. 0.4 miBear left, heading S.
38. 0.1 miTurn right, heading E.
39. 450 ftBear right, heading NE.
40. 150 ftTurn right onto Nashua River Rail Trail, heading E.
41. 0.8 miBear left, heading S.
42. 150 ftTurn left, heading S.
43. 350 ftArrive back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Trail map, photos and weather for this hike: www.ambleway.com/hikes/groton-school-pond-dead-river-out-back-3-lakes-16-km-d0f2