Semi Wall & Twin Falls Trail is a 4.8-mile out-and-back in Olallie State Park near Ragnar, WA. The route reaches Semi Wall. It climbs 1,150 ft, with sections as steep as 23% grade, and is mostly dirt. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi614 – 1,404 ft · steepest grade: 23%4.9 mi
Getting there
Trailhead: Unnamed 47.44171, -121.67429
Nearest town Ragnar, WA
Directions
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Semi Wall & Twin Falls Trail
4.8 mi · ▲ 1,150 ft · 2 hr 11 min
Elevation 613–1,403 ft
Out & Back · Olallie State Park
Trailhead: 47.44171, -121.67429
Weather Sep 20: sunrise 6:52 AM · sunset 7:10 PM
Toilets at the trailhead · Parking lot at the trailhead
- Start at the trailhead, heading W.
- 350 ftContinue straight onto Palouse to Cascades State Park Trail, heading NW.
- 0.1 miPass Semi Wall.
- 0.3 miContinue straight onto Twin Falls Trail, heading W.
- 1.9 miReach Semi Wall, then turn around and head back the way you came.
- 1.9 miContinue straight onto Palouse to Cascades State Park Trail, heading SE.
- 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
76% dirt24% gravel
Weather
Sunrise 6:52 AMSunset 7:10 PM
Good to know
- Toilets at the trailhead
- Parking lot at the trailhead
Other ways to reach this destination
More from this trailhead
- Cedar Butte–Semi Wall, 4 sights 10.8 mi · ▲ 1,514 ft
- 9021-410–Change Creek Trail, 4 sights 9.9 mi · ▲ 2,164 ft
- Chester Morse Lake–5010-360, 5 sights 15.4 mi · ▲ 5,925 ft
- 5010-330–5010-360, 4 sights 11 mi · ▲ 4,038 ft
- 5010-350–Change Creek Trail, 3 sights 6.2 mi · ▲ 2,332 ft
- Twin Falls (Upper)–Twin Falls (Lower), 5 viewpoints 3 mi · ▲ 966 ft
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