1. Start at the trailhead, heading S.
2. 0.4 miBear right, heading NW.
3. 50 ftTurn right, heading NW.
4. 350 ftBear left, heading NW.
5. 150 ftTurn right, heading N.
6. 0.4 miTurn left onto Weston Aqueduct Path, heading NW.
7. 4.2 miBear left onto Weston Aqueduct Trail, heading W.
8. 2.3 miSharp right onto Framingham and Lowell Branch, heading SW.
9. 0.7 miPass Lilly Pond.
10. 200 ftReach Calla Pool, then turn around and head back the way you came.
11. 0.7 miSharp left onto Weston Aqueduct Walking Trail, heading S.
12. 2 miContinue straight onto Weston Aqueduct Trail, heading E.
13. 0.3 miBear right onto Weston Aqueduct Path, heading E.
14. 4.2 miTurn right, heading E.
15. 0.4 miTurn left, heading S.
16. 150 ftBear right, heading S.
17. 350 ftTurn left, heading S.
18. 100 ftBear left, heading SW.
19. 0.3 miArrive 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/calla-pool-calla-pool-out-back-4-lakes-25-km-8b79