Woodinville Sports Club

North Irrigation Lake & South Irrigation Lake via Tolt Pipeline Trail

15.8 mi · ▲ 1,440 ft · 5 hr 59 min

North Irrigation Lake & South Irrigation Lake via Tolt Pipeline Trail is a 15.8-mile out-and-back in Woodinville Sports Club near Woodinville, WA. The route passes North Irrigation Lake before reaching South Irrigation Lake at the turnaround, 7.8 miles in. It climbs 1,440 ft, with sections as steep as 19% grade, and is mostly dirt. It scores 28/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi26 – 584 ft · steepest grade: 19%16.7 mi

Getting there

Trailhead: Unnamed 47.74020, -122.15233
Nearest town Woodinville, WA

Directions

AMBLEWAYwww.ambleway.com

North Irrigation Lake & South Irrigation Lake via Tolt Pipeline Trail

15.8 mi · ▲ 1,440 ft · 5 hr 59 min

Elevation 27–583 ft

Out & Back · Woodinville Sports Club

Trailhead: 47.74020, -122.15233

Weather Jul 18: Overcast, high 76°F / low 55° · precip 1% · wind 1 mph · sunrise 5:30 AM · sunset 9:01 PM

  1. Start at the trailhead, heading SE.
  2. 0.2 miContinue straight onto Sammamish River Trail, heading SE.
  3. 150 ftContinue straight onto Tolt Pipeline Trail, heading SE.
  4. 5.4 miTurn right, heading E.
  5. 0.6 miTurn right onto Redmond Ridge Trail, heading SE.
  6. 0.2 miSharp right onto Collin Creek Trail, heading SE.
  7. 0.4 miBear left onto Kari's Bog Trail, heading W.
  8. 0.5 miPass North Irrigation Lake.
  9. 0.5 miPass South Irrigation Lake.
  10. 0.1 miTurn right, heading S.
  11. 50 ftReach North Irrigation Lake, then turn around and head back the way you came.
  12. 50 ftTurn left, heading S.
  13. 1.1 miBear right onto Collin Creek Trail, heading NW.
  14. 0.4 miSharp left onto Redmond Ridge Trail, heading N.
  15. 0.2 miTurn left, heading E.
  16. 0.6 miTurn left, heading W.
  17. 200 ftContinue straight onto Tolt Pipeline Trail, heading NW.
  18. 5.4 miContinue straight onto Sammamish River Trail, heading W.
  19. 450 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

68% dirt10% gravel4% paved18% unspecified

Weather

OvercastTemperature 76°F55°
Precip1%Wind1 mphUV7Humidity83%
Rained 0.1″ 2 days ago
Hourly temperature
80°55°
Sunrise 5:30 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 9:01 PM
Sun 79°53°
Mon 87°55°
Tue 93°59°
Wed 94°61°
Thu 93°62°
Fri 77°55°

More from this trailhead