1. Start at the trailhead, heading SE.
2. 0.2 miSharp right, heading NW.
3. 0.4 miTurn left, heading W.
4. 0.2 miSharp left onto Old, heading SW.
5. 350 ftTurn left onto Cascara Trail, heading S.
6. 0.1 miTurn left onto Whispering Firs Trail, heading S.
7. 0.1 miTurn left onto Mainline Trail, heading E.
8. 50 ftTurn right, heading E.
9. 50 ftReach Mainline Trail, then turn around and head back the way you came.
10. 50 ftTurn right onto Whispering Firs Trail, heading E.
11. 0.1 miTurn right onto Cascara Trail, heading NW.
12. 0.1 miTurn right onto Old, heading NW.
13. 350 ftSharp right, heading NW.
14. 0.2 miTurn right, heading E.
15. 0.4 miSharp left, heading E.
16. 0.2 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/mainline-trail-out-back-b37d