Blowdown Mountain–Little Si Viewpoint, 6 sights is an 8.1-mile out-and-back in Mount Si Natural Resources Conservation Area near Tanner, WA. The route passes Little Si Viewpoint before reaching Blowdown Mountain at the turnaround, 4 miles in. It climbs 4,251 ft, with sections as steep as 34% grade, and is mostly dirt. It scores 39/100 on the Ambleway Wildness scale: green fringe.
Elevation
0 mi495 – 4,488 ft · steepest grade: 34%8.6 mi
Getting there
Trailhead: Unnamed 47.48779, -121.75665
Nearest town Tanner, WA
Directions
AMBLEWAYwww.ambleway.com
Blowdown Mountain–Little Si Viewpoint, 6 sights
8.1 mi · ▲ 4,251 ft · 4 hr 50 min
Elevation 497–4,489 ft
Out & Back · Mount Si Natural Resources Conservation Area
Trailhead: 47.48779, -121.75665
Weather Sep 4: Light drizzle, high 69°F / low 50° · precip 55% · wind 5 mph · sunrise 6:31 AM · sunset 7:43 PM
Dogs allowed on leash · Transit-accessible: Little Si Trailhead stop 17 m from the trailhead · Parking lot at the trailhead
- Start at the trailhead, heading E.
- 0.2 miPass Little Si Viewpoint.
- 0.2 miContinue straight onto Little Si Trail, heading E.
- 0.2 miContinue straight onto Boulder Garden Loop Trail, heading N.
- 0.4 miTurn left onto Old Si Trail, heading E.
- 0.5 miBear right onto North's Road, heading NW.
- 50 ftBear left onto Old Si Trail, heading NW.
- 1.2 miTurn left onto Mount Si Trail, heading N.
- 0.2 miTurn right onto Si–Teneriffe Connector Trail, heading NE.
- 0.4 miTurn left onto Blowdown Mountain Trail, heading NE.
- 0.8 miReach Blowdown Mountain, then turn around and head back the way you came.
- 0.8 miTurn right onto Si–Teneriffe Connector Trail, heading SW.
- 0.4 miTurn left onto Mount Si Trail, heading W.
- 0.2 miTurn right onto Old Si Trail, heading SW.
- 1.2 miBear right onto North's Road, heading SE.
- 50 ftBear left onto Old Si Trail, heading SE.
- 0.5 miTurn right onto Boulder Garden Loop Trail, heading S.
- 0.4 miContinue straight onto Little Si Trail, heading NW.
- 0.5 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
70% dirt29% gravel1% paved
Weather
Light drizzleTemperature 69°F50°
Precip55%Wind5 mphUV5Humidity65%
Rained 0.3″ 6 days ago
Hourly temperatureRain chance
70°50°
Sunrise 6:31 AM12 AM3 AM9 AM12 PM3 PMSunset 7:43 PM
Sat
69°52°
48%
Sun
72°51°
19%
Mon
70°50°
19%
Tue
76°52°
Wed
86°58°
Thu
75°59°
18%
Good to know
- Dogs allowed on leash
- Transit-accessible: Little Si Trailhead stop 17 m from the trailhead
- Parking lot at the trailhead
Other ways to reach this destination
More from this trailhead
- Canopy Crag–Family Wall, 6 sights 3.7 mi · ▲ 1,322 ft
- Little Si Viewpoint–Boulder Garden Loop Trail, 4 sights 4.1 mi · ▲ 1,423 ft
- Mount Si / q̓əlbc̓–Little Si Viewpoint, 4 sights 6 mi · ▲ 3,683 ft
- Teneriffe Falls–Teneriffe Falls Viewpoint, 8 sights 8.2 mi · ▲ 2,967 ft
- Mount Si Viewpoint–Canopy Crag Loop, 11 sights 8.9 mi · ▲ 3,921 ft
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