AMBLEWAY Wildest hikes
Middle Fall of the Twin Falls.jpg
Steven Pavlov · CC BY-SA 3.0
Olallie State Park

Semi Wall & Twin Falls Trail

4.8 mi · ▲ 1,150 ft · 2 hr 11 min

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
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Directions

AMBLEWAYwww.ambleway.com

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 5: Light drizzle, high 64°F / low 48° · precip 56% · wind 6 mph · sunrise 6:32 AM · sunset 7:41 PM

Toilets at the trailhead · Parking lot at the trailhead

  1. Start at the trailhead, heading W.
  2. 350 ftContinue straight onto Palouse to Cascades State Park Trail, heading NW.
  3. 0.1 miPass Semi Wall.
  4. 0.3 miContinue straight onto Twin Falls Trail, heading W.
  5. 1.9 miReach Semi Wall, then turn around and head back the way you came.
  6. 1.9 miContinue straight onto Palouse to Cascades State Park Trail, heading SE.
  7. 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 map, photos and weather for this hike: www.ambleway.com/hikes/actual-cave-semi-wall-out-back-4-sights-8-km

Trail surface

76% dirt24% gravel

Weather

Light drizzleTemperature 64°F48°
Precip56%Wind6 mphUV5Humidity56%
Rained 0.1″ 2 days ago (0.4″ over the last week)
Hourly temperatureRain chance
65°45° 12 AM: 21% rain1 AM: 19% rain2 AM: 15% rain3 AM: 4% rain4 AM: 2% rain5 AM: 3% rain6 AM: 5% rain7 AM: 5% rain8 AM: 3% rain9 AM: 4% rain10 AM: 1% rain11 AM: 2% rain12 PM: 5% rain1 PM: 11% rain2 PM: 21% rain3 PM: 29% rain4 PM: 44% rain5 PM: 46% rain6 PM: 56% rain7 PM: 42% rain8 PM: 17% rain9 PM: 5% rain10 PM: 2% rain11 PM: 2% rain
Sunrise 6:32 AM12 AM3 AM9 AM12 PM3 PMSunset 7:41 PM
Sat 65°51° 50%
Sun 69°49° 20%
Mon 61°48° 19%
Tue 73°51°
Wed 78°54°
Thu 64°52°

Good to know

  • Toilets at the trailhead
  • Parking lot at the trailhead

Other ways to reach this destination

More from this trailhead

Hikes near Ragnar, Washington