Redmond Watershed Preserve

Collin Creek Trail & Tolt Pipeline Trail

15.9 mi · ▲ 1,418 ft · 6 hr 1 min

Collin Creek Trail & Tolt Pipeline Trail is a 15.9-mile out-and-back in Redmond Watershed Preserve near Woodinville, WA. It climbs 1,418 ft, with sections as steep as 22% grade, and is mostly dirt. It scores 1/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi26 – 541 ft · steepest grade: 22%17.5 mi

Getting there

Trailhead: Unnamed 47.75090, -122.16403
Nearest town Woodinville, WA

Directions

AMBLEWAYwww.ambleway.com

Collin Creek Trail & Tolt Pipeline Trail

15.9 mi · ▲ 1,418 ft · 6 hr 1 min

Elevation 25–540 ft

Out & Back · Redmond Watershed Preserve

Trailhead: 47.75090, -122.16403

Weather Aug 4: sunrise 5:50 AM · sunset 8:41 PM

Transit-accessible: NE 171st St & 133rd Ave NE stop 150 m from the trailhead · Parking lot at the trailhead

  1. Start at the trailhead, heading S.
  2. 250 ftTurn left, heading S.
  3. 250 ftContinue straight onto Sammamish River Trail, heading SE.
  4. 50 ftBear left, heading SE.
  5. 0.9 miContinue straight onto Tolt Pipeline Trail, heading SE.
  6. 0.9 miTurn right, heading E.
  7. 4.3 miTurn right, heading E.
  8. 0.6 miTurn right onto Redmond Ridge Trail, heading SE.
  9. 0.2 miTurn right onto Collin Creek Trail, heading SW.
  10. 1 miReach Tolt Pipeline Trail, then turn around and head back the way you came.
  11. 1 miTurn left onto Redmond Ridge Trail, heading NE.
  12. 0.2 miTurn left, heading E.
  13. 0.6 miTurn left, heading NE.
  14. 250 ftContinue straight onto Tolt Pipeline Trail, heading N.
  15. 4.3 miTurn left, heading W.
  16. 0.9 miContinue straight onto Sammamish River Trail, heading W.
  17. 0.9 miTurn right, heading W.
  18. 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 surface

73% dirt10% gravel8% paved9% unspecified

Weather

Sunrise 5:50 AMSunset 8:41 PM

Sunset

The best sunset spot on this hike is 2.4 mi in (~68 min). Leave by 7:12 PM for the 8:41 PM sunset. Back at your car by 9:54 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Transit-accessible: NE 171st St & 133rd Ave NE stop 150 m from the trailhead
  • Parking lot at the trailhead

Other ways to reach this destination

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