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
Getting there
Directions
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 Sep 20: sunrise 6:53 AM · sunset 7:12 PM
Transit-accessible: NE 171st St & 133rd Ave NE stop 150 m from the trailhead · Parking lot at the trailhead
- Start at the trailhead, heading S.
- 250 ftTurn left, heading S.
- 250 ftContinue straight onto Sammamish River Trail, heading SE.
- 50 ftBear left, heading SE.
- 0.9 miContinue straight onto Tolt Pipeline Trail, heading SE.
- 0.9 miTurn right, heading E.
- 4.3 miTurn right, heading E.
- 0.6 miTurn right onto Redmond Ridge Trail, heading SE.
- 1.1 miTurn right, heading S.
- 50 ftTurn left, heading S.
- 50 ftTurn left, heading S.
- 150 ftReach South Irrigation Lake, then turn around and head back the way you came.
- 100 ftTurn right, heading S.
- 50 ftTurn right, heading S.
- 1.1 miTurn left, heading N.
- 0.6 miTurn left, heading N.
- 300 ftContinue straight onto Tolt Pipeline Trail, heading N.
- 4.3 miTurn left, heading W.
- 0.9 miContinue straight onto Sammamish River Trail, heading W.
- 0.9 miTurn right, heading W.
- 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
Weather
Sunset
The best sunset spot on this hike is 2.5 mi in (~62 min). Leave by 5:50 PM for the 7:12 PM sunset. Back at your car by 8:33 PM, after dark — bring a headlamp.
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
- Collin Creek Trail & Tolt Pipeline Trail 15.9 mi · ▲ 1,418 ft
- Sammamish River Trail 13.3 mi · ▲ 606 ft
- Sammamish River Trail 13.1 mi · ▲ 579 ft
- Sammamish River Trail 13 mi · ▲ 606 ft
- Sammamish River Trail 13.1 mi · ▲ 606 ft
- Sammamish River Trail 13.2 mi · ▲ 579 ft
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