Viewing Platform via Tolt Pipeline Trail is an 11.6-mile out-and-back in Woodinville Sports Club near Cottage Lake, WA. The route reaches Viewing Platform at the turnaround, 5.8 miles in. It climbs 919 ft, with sections as steep as 23% grade. It scores 14/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi23 – 535 ft · steepest grade: 23%12.8 mi
Getting there
Trailhead: Brook Trails Trail #1 47.73385, -122.08384
Nearest town Cottage Lake, WA
Directions
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Viewing Platform via Tolt Pipeline Trail
11.6 mi · ▲ 919 ft · 4 hr 20 min
Elevation 22–534 ft
Out & Back · Woodinville Sports Club
Trailhead: Brook Trails Trail #1 · 47.73385, -122.08384
Weather Jul 18: Overcast, high 76°F / low 55° · precip 2% · wind 3 mph · sunrise 5:29 AM · sunset 9:01 PM
Transit-accessible: Avondale Rd NE & NE 146th Way stop 167 m from the trailhead
- Start on Brook Trails Trail #1, heading N.
- 0.2 miTurn left onto Tolt Pipeline Trail, heading W.
- 3 miContinue straight onto Sammamish River Trail, heading W.
- 2.3 miSharp right onto North Creek Trail, heading SW.
- 0.3 miTurn right, heading SW.
- 350 ftReach Viewing Platform, then turn around and head back the way you came.
- 0.4 miSharp left onto Sammamish River Trail, heading NE.
- 1.4 miBear left, heading SE.
- 0.9 miContinue straight onto Tolt Pipeline Trail, heading SE.
- 3 miTurn right onto Brook Trails Trail #1, heading E.
- 0.1 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
51% dirt33% paved12% gravel1% boardwalk3% unspecified
Good to know
- Transit-accessible: Avondale Rd NE & NE 146th Way stop 167 m from the trailhead
Weather
OvercastTemperature 76°F55°
Precip2%Wind3 mphUV7Humidity81%
Hourly temperature
80°55°
Sunrise 5:29 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 9:01 PM
Sun
79°53°
Mon
87°54°
Tue
92°59°
Wed
93°60°
Thu
92°61°
Fri
76°55°
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