Tolt Pipeline Trail

11.8 mi · ▲ 839 ft · 4 hr 21 min

Tolt Pipeline Trail is an 11.8-mile out-and-back near Cottage Lake, WA. It climbs 839 ft, with sections as steep as 20% grade. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi26 – 541 ft · steepest grade: 20%13.4 mi

Getting there

Trailhead: Brook Trails Trail #15 47.73998, -122.09006
Nearest town Cottage Lake, WA

Directions

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Tolt Pipeline Trail

11.8 mi · ▲ 839 ft · 4 hr 21 min

Elevation 27–540 ft

Out & Back

Trailhead: Brook Trails Trail #15 · 47.73998, -122.09006

Weather Sep 6: sunrise 6:34 AM · sunset 7:41 PM

Transit-accessible: Avondale Rd NE & NE 159th St stop 741 m from the trailhead

  1. Start on Brook Trails Trail #15, heading E.
  2. 0.3 miTurn right onto Tolt Pipeline Trail, heading W.
  3. 1.7 miTurn left, heading W.
  4. 0.9 miSharp left, heading SW.
  5. 250 ftBear left, heading SW.
  6. 300 ftContinue straight onto Sammamish River Trail, heading SW.
  7. 1.5 miBear left, heading S.
  8. 0.4 miBear left, heading S.
  9. 250 ftTurn right, heading S.
  10. 50 ftTurn left, heading S.
  11. 0.4 miTurn left, heading S.
  12. 50 ftTurn right, heading S.
  13. 0.5 miTurn right onto PSE Trail, heading SE.
  14. 50 ftReach the turnaround, then head back the way you came.
  15. 50 ftTurn left, heading SE.
  16. 0.4 miContinue straight onto Sammamish River Trail, heading S.
  17. 0.1 miTurn left, heading SE.
  18. 50 ftTurn right, heading SE.
  19. 0.4 miTurn right, heading NW.
  20. 50 ftTurn left, heading NW.
  21. 150 ftBear left, heading NW.
  22. 2 miBear right, heading N.
  23. 250 ftSharp right onto Tolt Pipeline Trail, heading N.
  24. 0.9 miTurn right, heading NW.
  25. 1.7 miTurn left onto Brook Trails Trail #15, heading E.
  26. 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 surface

43% dirt14% paved13% gravel8% grass22% unspecified

Weather

Sunrise 6:34 AMSunset 7:41 PM

Sunset

The best sunset spot on this hike is 1.1 mi in (~35 min). Leave by 6:46 PM for the 7:41 PM sunset. Back at your car by 8:23 PM, after dark — bring a headlamp. Trailhead visible from the viewpoint

More sunset hikes nearby

Good to know

  • Transit-accessible: Avondale Rd NE & NE 159th St stop 741 m from the trailhead

Other ways to reach this destination

More from Brook Trails Trail #15 Trailhead