AMBLEWAY Wildest hikes

Wetland Overlook & North Irrigation Lake via Tolt Pipeline Trail

15.6 mi · ▲ 1,491 ft · 5 hr 57 min

Wetland Overlook & North Irrigation Lake via Tolt Pipeline Trail is a 15.6-mile out-and-back near Woodinville, WA. The route passes North Irrigation Lake before reaching Wetland Overlook at the turnaround, 7.8 miles in. It climbs 1,491 ft and is mostly dirt. It scores 28/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi30 – 554 ft16.6 mi

Getting there

Trailhead: Tolt Pipeline Trail 47.73640, -122.15544
Nearest town Woodinville, WA
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Directions

AMBLEWAYwww.ambleway.com

Wetland Overlook & North Irrigation Lake via Tolt Pipeline Trail

15.6 mi · ▲ 1,491 ft · 5 hr 57 min

Elevation 29–553 ft

Out & Back

Trailhead: Tolt Pipeline Trail · 47.73640, -122.15544

Weather Jul 18: Overcast, high 77°F / low 56° · precip 1% · wind 1 mph · sunrise 5:30 AM · sunset 9:01 PM

Transit-accessible: NE 171st St & 133rd Ave NE stop 365 m from the trailhead · Parking lot at the trailhead

  1. Start on Tolt Pipeline Trail, heading E.
  2. 100 ftTurn right onto Woodinville Valley Trail, heading SE.
  3. 0.6 miTurn left onto Sammamish River Trail, heading N.
  4. 0.1 miBear right, heading NW.
  5. 250 ftSharp right onto Tolt Pipeline Trail, heading NW.
  6. 5.4 miTurn right, heading E.
  7. 0.6 miTurn right onto Redmond Ridge Trail, heading SE.
  8. 0.2 miSharp right onto Collin Creek Trail, heading SE.
  9. 0.4 miBear left onto Kari's Bog Trail, heading W.
  10. 0.4 miPass North Irrigation Lake.
  11. 500 ftTurn right, heading S.
  12. 150 ftReach Wetland Overlook, then turn around and head back the way you came.
  13. 0.6 miBear right onto Collin Creek Trail, heading N.
  14. 0.4 miSharp left onto Redmond Ridge Trail, heading E.
  15. 0.2 miTurn left, heading NW.
  16. 0.6 miTurn left, heading NW.
  17. 150 ftContinue straight onto Tolt Pipeline Trail, heading NW.
  18. 5.4 miSharp left, heading W.
  19. 250 ftBear left, heading W.
  20. 100 ftContinue straight onto Sammamish River Trail, heading W.
  21. 450 ftTurn right onto Woodinville Valley Trail, heading W.
  22. 0.6 miTurn left onto Tolt Pipeline Trail, heading SE.
  23. 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/north-irrigation-lake-south-irrigation-lake-out-back-3-lakes-25-km-6d7c

Trail surface

67% dirt11% paved10% gravel12% unspecified

Good to know

  • Transit-accessible: NE 171st St & 133rd Ave NE stop 365 m from the trailhead
  • Parking lot at the trailhead

Weather

OvercastTemperature 77°F56°
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°54°
Tue 92°59°
Wed 93°61°
Thu 93°62°
Fri 77°55°

Hikes near Woodinville, Washington