1. Start at the trailhead, heading S.
2. 50 ftPass Niles beach.
3. 50 ftPass Quarry Lakes Regional Park Beach.
4. 50 ftPass Rainbow Lake.
5. 300 ftBear left onto Californio, heading SE.
6. 350 ftPass Horseshoe Lake.
7. 0.3 miBear left onto Old Creek Trail, heading SE.
8. 0.1 miPass Willow Slough.
9. 0.4 miBear left onto Western Pacific Trail, heading N.
10. 50 ftBear left, heading N.
11. 0.3 miTurn left onto Isla Tres Rancheros Trail, heading W.
12. 50 ftPass Horseshoe Lake.
13. 50 ftPass Quarry Lakes Regional Park Beach.
14. 0.2 miBear left, heading S.
15. 350 ftReach Horseshoe Lake, then turn around and head back the way you came.
16. 0.3 miTurn right onto Western Pacific Trail, heading NE.
17. 0.3 miBear right onto Old Creek Trail, heading SE.
18. 0.6 miBear right, heading W.
19. 0.3 miContinue straight onto Californio, heading N.
20. 350 ftBear right, heading NW.
21. 300 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/horseshoe-lake-rainbow-lake-out-back-9-lakes