Gorge Trail #400 & Monkey Business via Forest Road 1520 is a 12.9-mile out-and-back in Benson State Recreation Area near Saint Cloud, WA. It climbs 3,643 ft, with sections as steep as 30% grade, and is mostly dirt. It scores 34/100 on the Ambleway Wildness scale: green fringe.
Elevation
0 mi49 – 2,832 ft · steepest grade: 30%13.1 mi
Getting there
Trailhead: Oneonta Trail #424 45.58860, -122.07854
Nearest town Saint Cloud, WA · Official trailhead info (fs.usda.gov)
Directions
AMBLEWAYwww.ambleway.com
Gorge Trail #400 & Monkey Business via Forest Road 1520
12.9 mi · ▲ 3,643 ft · 6 hr 7 min
Elevation 49–2,832 ft
Out & Back · Benson State Recreation Area
Trailhead: Oneonta Trail #424 · 45.58860, -122.07854
Weather Sep 4: Heavy drizzle, high 67°F / low 55° · precip 65% · wind 4 mph · sunrise 6:34 AM · sunset 7:42 PM
Parking lot at the trailhead
- Start on Oneonta Trail #424, heading SW.
- 0.2 miContinue straight onto Gorge Trail #400, heading SW.
- 1.7 miContinue straight onto Larch Mountain Trail #441, heading W.
- 1.2 miSharp right onto Wahkeena Trail #420, heading W.
- 0.8 miSharp left onto Devils Rest Trail #420C, heading SW.
- 0.7 miTurn left, heading SW.
- 300 ftTurn right onto Multnomah Basin Road, heading SE.
- 0.2 miBear left onto The Way, heading S.
- 0.2 miContinue straight onto Forest Road 1520, heading E.
- 0.7 miTurn left onto Monkey Business, heading SE.
- 0.6 miReach Gorge Trail #400, then turn around and head back the way you came.
- 0.6 miTurn right onto Forest Road 1520, heading N.
- 0.7 miContinue straight onto The Way, heading W.
- 0.2 miBear right onto Multnomah Basin Road, heading W.
- 0.2 miTurn left, heading N.
- 300 ftTurn right onto Devils Rest Trail #420C, heading NW.
- 0.7 miSharp right onto Wahkeena Trail #420, heading NE.
- 0.7 miSharp left onto Larch Mountain Trail #441, heading SE.
- 1.2 miContinue straight onto Gorge Trail #400, heading W.
- 1.7 miContinue straight onto Oneonta Trail #424, heading E.
- 0.2 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
73% dirt10% paved17% unspecified
Weather
Heavy drizzleTemperature 67°F55°
Precip65%Wind4 mphUV6Humidity74%
Rained 0.2″ 2 days ago
Hourly temperatureRain chance
70°55°
Sunrise 6:34 AM12 AM3 AM9 AM12 PM3 PMSunset 7:42 PM
Sat
69°54°
30%
Sun
76°56°
39%
Mon
74°52°
33%
Tue
82°55°
Wed
93°59°
Thu
82°62°
Good to know
- Parking lot at the trailhead
More from Oneonta Trail #424 Trailhead
- Lower Multnomah Falls–Larch Mountain Trail #441 Viewpoint, 3 sights 4.3 mi · ▲ 955 ft
- Multnomah Falls–Top of the Falls Trail #441A Viewpoint, 3 sights 5.3 mi · ▲ 1,269 ft
- Lower Multnomah Falls–Larch Mountain Trail #441 Viewpoint, 5 sights 5.8 mi · ▲ 1,025 ft
- Devils Rest Trail #420C Viewpoint & Gorge Trail #400 10.5 mi · ▲ 3,204 ft
- Wahkeena Falls–Wahkeena Spring, 7 sights 10.9 mi · ▲ 3,929 ft
- Devil's Fork & Gorge Trail #400 12.1 mi · ▲ 3,693 ft
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