1. Start on Holliston Highway, heading SW.
2. 0.1 miTurn left onto Sudden Impact, heading SW.
3. 50 ftTurn right onto Dolphin Rock, heading W.
4. 200 ftTurn left onto Holliston Highway, heading N.
5. 0.3 miBear right onto Milford Byway, heading W.
6. 0.4 miTurn right onto Highway Connector, heading NW.
7. 50 ftContinue straight onto Milford Byway, heading NW.
8. 300 ftTurn left onto Hob Knob Connector, heading W.
9. 50 ftBear right onto Hob Knob, heading W.
10. 250 ftContinue straight onto Top Down, heading NW.
11. 200 ftTurn left onto Challenger Exit, heading NW.
12. 50 ftBear right onto Challenger, heading NW.
13. 150 ftTurn right onto Better Than The Fire Road Climb, heading NW.
14. 150 ftBear right onto Milford Byway, heading NW.
15. 150 ftTurn left, heading NE.
16. 0.3 miSharp left, heading S.
17. 450 ftSharp left onto Holliston Highway, heading S.
18. 200 ftSharp right, heading S.
19. 50 ftTurn left onto NEMBA Trail, heading S.
20. 0.4 miSharp left onto Middle Sister, heading S.
21. 0.3 miContinue straight onto Cross Cut, heading SW.
22. 300 ftTurn right onto Town Forest Road, heading NE.
23. 0.4 miBear left onto Sudden Impact, heading SE.
24. 500 ftTurn right onto Holliston Highway, heading E.
25. 0.1 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/challenger-milford-byway-out-back-4-sights