AMBLEWAY Wildest hikes

Woodinville Sports Club

South Irrigation Lake & Tolt Pipeline Trail

15.6 mi · ▲ 1,430 ft · 5 hr 55 min

South Irrigation Lake & Tolt Pipeline Trail is a 15.6-mile out-and-back in Woodinville Sports Club near Woodinville, WA. The route reaches South Irrigation Lake at the turnaround, 7.8 miles in. It climbs 1,430 ft, with sections as steep as 23% grade, and is mostly dirt. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi20 – 558 ft · steepest grade: 23%16.7 mi

Getting there

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

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South Irrigation Lake & Tolt Pipeline Trail

15.6 mi · ▲ 1,430 ft · 5 hr 55 min

Elevation 19–557 ft

Out & Back · Woodinville Sports Club

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. 1.1 miTurn right, heading S.
  10. 50 ftTurn left, heading S.
  11. 50 ftTurn left, heading S.
  12. 150 ftReach South Irrigation Lake, then turn around and head back the way you came.
  13. 100 ftTurn right, heading S.
  14. 50 ftTurn right, heading S.
  15. 1.1 miTurn left, heading N.
  16. 0.6 miTurn left, heading N.
  17. 300 ftContinue straight onto Tolt Pipeline Trail, heading N.
  18. 4.3 miTurn left, heading W.
  19. 0.9 miContinue straight onto Sammamish River Trail, heading W.
  20. 0.9 miTurn right, heading W.
  21. 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/woodinville-valley-trail-out-back-25-km-0554

Trail surface

64% dirt17% paved10% gravel9% unspecified

Weather

Sunrise 5:50 AMSunset 8:41 PM

Sunset

The best sunset spot on this hike is 2.4 mi in (~60 min). Leave by 7:21 PM for the 8:41 PM sunset. Back at your car by 9:59 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

More from this trailhead

Hikes near Woodinville, Washington