World Wall–Boulder Garden Loop Trail, 3 sights is a 4.1-mile out-and-back in Mount Si Natural Resources Conservation Area near Tanner, WA. The route reaches World Wall at the turnaround, 2.1 miles in. It climbs 1,713 ft, with sections as steep as 37% grade. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi522 – 1,345 ft · steepest grade: 37%4.4 mi
Getting there
Trailhead: Old 444th Avenue 47.48546, -121.74809
Nearest town Tanner, WA
Directions
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World Wall–Boulder Garden Loop Trail, 3 sights
4.1 mi · ▲ 1,713 ft · 2 hr 13 min
Elevation 522–1,346 ft
Out & Back · Mount Si Natural Resources Conservation Area
Trailhead: Old 444th Avenue · 47.48546, -121.74809
Weather Aug 3: Clear, high 75°F / low 49° · precip 0% · wind 6 mph · sunrise 5:48 AM · sunset 8:40 PM
Dogs allowed on leash · Transit-accessible: Little Si Trailhead stop 688 m from the trailhead
- Start on Old 444th Avenue, heading N.
- 0.9 miSharp right onto Boulder Garden Loop Trail, heading N.
- 0.2 miBear right onto Douglas Fir Trail, heading N.
- 50 ftBear left onto Boulder Garden Loop Trail, heading NW.
- 0.5 miTurn right onto Little Si Trail, heading SW.
- 0.4 miTurn left onto British Aisles Climbing Approach, heading NE.
- 50 ftTurn right onto Little Si Trail, heading NE.
- 400 ftSharp left, heading N.
- 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 S.
- 0.5 miBear right onto Douglas Fir Trail, heading SE.
- 50 ftBear left onto Boulder Garden Loop Trail, heading SE.
- 0.2 miSharp left onto Old 444th Avenue, heading S.
- 0.9 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% dirt43% unspecified
Weather
ClearTemperature 75°F49°
Precip0%Wind6 mphUV7Humidity64%
Hourly temperature
75°45°
Sunrise 5:48 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:40 PM
Tue
83°56°
Wed
89°61°
Thu
90°62°
Fri
82°54°
Sat
80°54°
Sun
82°54°
Good to know
- Dogs allowed on leash
- Transit-accessible: Little Si Trailhead stop 688 m from the trailhead
Other ways to reach this destination
More from Old 444th Avenue Trailhead
- Douglas Fir Trail & Old 444th Avenue 3.1 mi · ▲ 1,081 ft
- North's Road & Old 444th Avenue 3.2 mi · ▲ 1,011 ft
- North's Road–Old 444th Avenue, 3 sights 3.6 mi · ▲ 1,433 ft
- Little Si–Little Si Viewpoint, 5 sights 5.9 mi · ▲ 2,201 ft
- Teneriffe Falls–Teneriffe Falls Viewpoint, 6 sights 8.2 mi · ▲ 2,941 ft
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