Tolt Pipeline Trail & Woodinville Valley Trail

10.3 mi · ▲ 1,379 ft · 4 hr 7 min

Tolt Pipeline Trail & Woodinville Valley Trail is a 10.3-mile out-and-back near Cottage Lake, WA. It climbs 1,379 ft, with sections as steep as 21% grade. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi20 – 541 ft · steepest grade: 21%11.5 mi

Getting there

Trailhead: Tolt Pipeline Trail 47.73646, -122.07959
Nearest town Cottage Lake, WA

Directions

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Tolt Pipeline Trail & Woodinville Valley Trail

10.3 mi · ▲ 1,379 ft · 4 hr 7 min

Elevation 19–540 ft

Out & Back

Trailhead: Tolt Pipeline Trail · 47.73646, -122.07959

Weather Aug 4: sunrise 5:50 AM · sunset 8:40 PM

Transit-accessible: Avondale Rd NE & NE 149th St stop 73 m from the trailhead · Parking lot at the trailhead

  1. Start on Tolt Pipeline Trail, heading W.
  2. 2.1 miTurn left, heading W.
  3. 0.9 miSharp left, heading SW.
  4. 250 ftBear left, heading SW.
  5. 300 ftContinue straight onto Sammamish River Trail, heading SW.
  6. 250 ftTurn right onto Woodinville Valley Trail, heading SE.
  7. 150 ftTurn left, heading SE.
  8. 0.2 miTurn right, heading S.
  9. 150 ftBear left, heading S.
  10. 0.2 miTurn left onto Tolt Pipeline Trail, heading W.
  11. 1.1 miTurn right, heading W.
  12. 150 ftSharp left, heading W.
  13. 0.3 miReach Woodinville Valley Trail, then turn around and head back the way you came.
  14. 0.3 miSharp left, heading NW.
  15. 50 ftSharp right, heading NW.
  16. 1.2 miTurn right onto Woodinville Valley Trail, heading E.
  17. 0.2 miTurn left, heading E.
  18. 50 ftBear right, heading E.
  19. 0.2 miTurn left, heading E.
  20. 150 ftTurn left onto Sammamish River Trail, heading E.
  21. 0.1 miBear right, heading E.
  22. 250 ftSharp right onto Tolt Pipeline Trail, heading SE.
  23. 0.9 miTurn right, heading NW.
  24. 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

46% dirt42% gravel10% paved2% unspecified

Weather

Sunrise 5:50 AMSunset 8:40 PM

Sunset

The best sunset spot on this hike is 1.1 mi in (~37 min). Leave by 7:44 PM for the 8:40 PM sunset. Back at your car by 9:23 PM, after dark — bring a headlamp. Car visible from the viewpoint

More sunset hikes nearby

Good to know

  • Transit-accessible: Avondale Rd NE & NE 149th St stop 73 m from the trailhead
  • Parking lot at the trailhead

Other ways to reach this destination

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