South Irrigation Lake via Tolt Pipeline Trail
16.1 mi · ▲ 1,438 ft · 6 hr 5 min
South Irrigation Lake via Tolt Pipeline Trail is a 16.1-mile out-and-back near Hollywood, WA. The route reaches South Irrigation Lake at the turnaround, 8 miles in. It climbs 1,438 ft, with sections as steep as 15% grade. It scores 25/100 on the Ambleway Wildness scale: green fringe.
Elevation
0 mi26 – 568 ft · steepest grade: 15%17.2 mi
Getting there
Trailhead: Unnamed 47.72652, -122.14226
Nearest town Hollywood, WA
Directions
AMBLEWAYwww.ambleway.com
South Irrigation Lake via Tolt Pipeline Trail
16.1 mi · ▲ 1,438 ft · 6 hr 5 min
Elevation 28–566 ft
Out & Back
Trailhead: 47.72652, -122.14226
Weather Jul 18: Overcast, high 76°F / low 55° · precip 1% · wind 3 mph · sunrise 5:29 AM · sunset 9:02 PM
- Start at the trailhead, heading N.
- 0.1 miContinue straight onto Sammamish River Trail, heading N.
- 0.4 miBear right, heading NW.
- 250 ftSharp right onto Tolt Pipeline Trail, heading NW.
- 5.4 miTurn right, heading E.
- 0.6 miTurn right onto Redmond Ridge Trail, heading SE.
- 1.5 miSharp right, heading S.
- 100 ftReach South Irrigation Lake, then turn around and head back the way you came.
- 1.6 miTurn left, heading N.
- 0.6 miTurn left, heading NW.
- 200 ftContinue straight onto Tolt Pipeline Trail, heading W.
- 5.4 miSharp left, heading W.
- 250 ftBear left, heading W.
- 150 ftContinue straight onto Sammamish River Trail, heading W.
- 0.2 miArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
57% dirt23% paved9% gravel11% unspecified
Weather
OvercastTemperature 76°F55°
Precip1%Wind3 mphUV7Humidity81%
Rained 0.1″ 2 days ago
Hourly temperature
80°55°
Sunrise 5:29 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 9:02 PM
Sun
80°53°
Mon
87°55°
Tue
93°59°
Wed
94°61°
Thu
93°62°
Fri
77°55°
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