1. Start at the trailhead, heading E.
2. 250 ftTurn left onto Perimeter Loop Trail, heading N.
3. 0.2 miSharp left onto Mackey Creek Trail, heading N.
4. 50 ftContinue straight onto Perimeter Loop Trail, heading N.
5. 0.2 miTurn left onto PSE Trail, heading NW.
6. 450 ftBear left, heading W.
7. 0.8 miBear left, heading W.
8. 300 ftBear left, heading W.
9. 1.1 miBear right, heading W.
10. 0.8 miTurn right onto Sammamish River Trail, heading W.
11. 150 ftTurn left, heading W.
12. 100 ftTurn left onto PSE Trail, heading SW.
13. 0.1 miTurn left, heading W.
14. 0.1 miContinue straight onto 9900 Block, heading S.
15. 50 ftSharp right, heading S.
16. 50 ftTurn left, heading S.
17. 50 ftBear left, heading S.
18. 0.2 miSharp left, heading W.
19. 50 ftTurn right, heading W.
20. 50 ftTurn right onto Redmond Central Connector Trail, heading W.
21. 0.2 miTurn left, heading W.
22. 350 ftTurn right, heading W.
23. 50 ftSharp left, heading W.
24. 50 ftBear right, heading W.
25. 450 ftTurn left, heading W.
26. 0.1 miTurn left, heading W.
27. 150 ftTurn right, heading W.
28. 0.2 miSharp right, heading NW.
29. 50 ftTurn left, heading NW.
30. 150 ftReach Perimeter Loop Trail, then turn around and head back the way you came.
31. 150 ftTurn right, heading NW.
32. 50 ftSharp left, heading NW.
33. 0.2 miTurn left, heading NW.
34. 150 ftTurn right, heading W.
35. 0.1 miTurn right, heading S.
36. 450 ftBear left, heading S.
37. 50 ftSharp right, heading S.
38. 50 ftTurn left, heading SW.
39. 0.3 miTurn left, heading S.
40. 50 ftTurn left, heading S.
41. 50 ftSharp right, heading S.
42. 0.2 miBear right, heading N.
43. 50 ftTurn right, heading N.
44. 50 ftSharp left onto 9900 Block, heading N.
45. 50 ftContinue straight onto PSE Trail, heading N.
46. 0.1 miTurn left, heading N.
47. 50 ftTurn right, heading N.
48. 0.1 miTurn right, heading N.
49. 100 ftTurn right onto Sammamish River Trail, heading N.
50. 150 ftTurn left onto PSE Trail, heading N.
51. 0.2 miBear right, heading E.
52. 2.2 miBear right, heading N.
53. 0.5 miTurn right onto Perimeter Loop Trail, heading E.
54. 0.2 miContinue straight onto Mackey Creek Trail, heading E.
55. 50 ftSharp right onto Perimeter Loop Trail, heading E.
56. 0.2 miTurn right, heading E.
57. 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/9900-block-pse-trail-out-back-4-sights