World Wall–Boulder Garden Loop Trail, 3 sights is a 5.3-mile out-and-back in Mount Si Natural Resources Conservation Area near Riverpoint, WA. The route reaches World Wall at the turnaround, 2.7 miles in. It climbs 2,115 ft, with sections as steep as 35% grade, and is mostly dirt. It scores 13/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi663 – 1,614 ft · steepest grade: 35%5.7 mi
Getting there
Trailhead: Mount Si Trailhead 47.48801, -121.72316
Nearest town Riverpoint, WA
Directions
AMBLEWAYwww.ambleway.com
World Wall–Boulder Garden Loop Trail, 3 sights
5.3 mi · ▲ 2,115 ft · 2 hr 49 min
Elevation 663–1,614 ft
Out & Back · Mount Si Natural Resources Conservation Area
Trailhead: Mount Si Trailhead · 47.48801, -121.72316
Weather Aug 3: Clear, high 74°F / low 48° · precip 0% · wind 5 mph · sunrise 5:48 AM · sunset 8:40 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.
- 1.1 miContinue straight onto Douglas Fir Trail, heading W.
- 0.6 miTurn right onto Boulder Garden Loop Trail, heading W.
- 0.5 miTurn right onto Little Si Trail, heading W.
- 0.4 miTurn left onto British Aisles Climbing Approach, heading NW.
- 50 ftTurn right onto Little Si Trail, heading NW.
- 350 ftSharp left, heading NE.
- 150 ftReach World Wall, then turn around and head back the way you came.
- 0.1 miTurn left onto British Aisles Climbing Approach, heading N.
- 50 ftTurn right onto Little Si Trail, heading N.
- 0.4 miTurn left onto Boulder Garden Loop Trail, heading SW.
- 0.5 miTurn left onto Douglas Fir Trail, heading E.
- 0.6 miContinue straight onto Mount Si Trail, heading E.
- 1.1 miBear right, heading E.
- 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
99% dirt1% gravel
Weather
ClearTemperature 74°F48°
Precip0%Wind5 mphUV7Humidity64%
Hourly temperature
75°45°
Sunrise 5:48 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:40 PM
Tue
83°54°
Wed
89°58°
Thu
89°61°
Fri
82°53°
Sat
80°53°
Sun
81°53°
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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