Blowdown Mountain–Blowdown Mountain Trail, 3 sights is a 9.7-mile out-and-back in Mount Si Natural Resources Conservation Area near Riverpoint, WA. The route reaches Blowdown Mountain at the turnaround, 4.8 miles in. It climbs 3,986 ft, with sections as steep as 22% grade, and is mostly dirt. It scores 67/100 on the Ambleway Wildness scale: backcountry feel.
Elevation
0 mi663 – 4,488 ft · steepest grade: 22%10.0 mi
Getting there
Trailhead: Mount Si Trailhead 47.48801, -121.72316
Nearest town Riverpoint, WA
Directions
AMBLEWAYwww.ambleway.com
Blowdown Mountain–Blowdown Mountain Trail, 3 sights
9.7 mi · ▲ 3,986 ft · 5 hr 14 min
Elevation 663–4,489 ft
Out & Back · Mount Si Natural Resources Conservation Area
Trailhead: Mount Si Trailhead · 47.48801, -121.72316
Weather Sep 4: sunrise 6:31 AM · sunset 7:43 PM
Dogs allowed on leash · Transit-accessible: Mount Si Trailhead stop 146 m from the trailhead · Toilets at the trailhead · Parking lot at the trailhead
- Start at the trailhead, heading N.
- 50 ftBear left onto Mount Si Trail, heading N.
- 0.7 miTurn right onto Talus Loop Trail, heading N.
- 0.6 miTurn right onto Spring Trail, heading NE.
- 0.1 miTurn left onto Mount Teneriffe Trail, heading E.
- 2.3 miTurn left onto Si–Teneriffe Connector Trail, heading N.
- 0.2 miTurn right, heading SW.
- 0.1 miContinue straight onto Blowdown Mountain Trail, heading NE.
- 0.8 miReach Blowdown Mountain, then turn around and head back the way you came.
- 0.8 miContinue straight onto Si–Teneriffe Connector Trail, heading S.
- 0.1 miBear right, heading SW.
- 0.2 miTurn right onto Mount Teneriffe Trail, heading E.
- 2.3 miTurn right onto Spring Trail, heading SE.
- 0.1 miTurn left onto Talus Loop Trail, heading SW.
- 0.6 miTurn left onto Mount Si Trail, heading SE.
- 0.7 miBear right, heading SW.
- 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
76% dirt16% gravel8% unspecified
Weather
Sunrise 6:31 AMSunset 7:43 PM
Good to know
- Dogs allowed on leash
- Transit-accessible: Mount Si Trailhead stop 146 m from the trailhead
- Toilets at the trailhead
- Parking lot at the trailhead
Other ways to reach this destination
More from Mount Si Trailhead Trailhead
- Mount Si Trail 2.2 mi · ▲ 944 ft
- Mount Si Trail 2.4 mi · ▲ 944 ft
- Mount Teneriffe Trail & Roaring Creek Trail 2.7 mi · ▲ 737 ft
- Talus Loop Trail via Mount Teneriffe Trail 3.6 mi · ▲ 1,456 ft
- North's Road via Old Si Trail 3.9 mi · ▲ 1,353 ft
- Canopy Crag & Douglas Fir Trail via Mount Si Trail 4.4 mi · ▲ 1,640 ft
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