1. Start on Crystal Spring Trail, heading E.
2. 50 ftBear left onto Whip Hill Road, heading SE.
3. 0.2 miSharp right onto Saddleback Path, heading SW.
4. 0.1 miPass Spot Pond.
5. 100 ftTurn left onto Saddleback Path / Crystal Spring Trail, heading S.
6. 50 ftPass Crystal Spring Viewpoint.
7. 350 ftContinue straight onto Crystal Spring Trail, heading E.
8. 500 ftTurn left, heading SE.
9. 0.2 miBear right onto Pipe Line Road, heading S.
10. 0.3 miTurn right onto Reservoir Access Road, heading S.
11. 0.2 miPass Cairn Hill.
12. 100 ftBear right, heading W.
13. 0.2 miBear left onto Hemlock Pool Road, heading SE.
14. 250 ftTurn right onto Rock Circuit Connector, heading SE.
15. 200 ftPass 1899 MIT Observatory site.
16. 50 ftTurn left onto Rock Circuit Trail, heading S.
17. 500 ftPass Rock Circuit Viewpoint.
18. 50 ftReach Boojum Rock, then turn around and head back the way you came.
19. 0.1 miTurn right onto Rock Circuit Connector, heading SE.
20. 250 ftTurn left onto Hemlock Pool Road, heading S.
21. 300 ftBear right onto Reservoir Access Road, heading S.
22. 0.4 miTurn left onto Pipe Line Road, heading NW.
23. 0.5 miContinue straight onto Crystal Spring Trail, heading NE.
24. 450 ftBear left, heading N.
25. 500 ftContinue straight onto Saddleback Path / Crystal Spring Trail, heading N.
26. 350 ftTurn right onto Saddleback Path, heading N.
27. 50 ftTurn right, heading N.
28. 0.1 miSharp left onto Whip Hill Road, heading N.
29. 0.2 miBear right onto Crystal Spring Trail, heading N.
30. 50 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/crystal-spring-viewpoint-crystal-spring-viewpoint-out-back-5-lakes-4-km-e403