Jack Mountain & Yacolt Reservoir

15.6 mi · ▲ 2,727 ft · 6 hr 34 min

Jack Mountain & Yacolt Reservoir is a 15.6-mile out-and-back near Moulton, WA. The route passes Yacolt Reservoir and Yacolt Reservoir before reaching Jack Mountain at the turnaround, 7.8 miles in. It climbs 2,727 ft, with sections as steep as 19% grade. It scores 89/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi958 – 2,832 ft · steepest grade: 19%15.7 mi

Getting there

Trailhead: Unnamed 45.85868, -122.37406
Nearest town Moulton, WA

Directions

AMBLEWAYwww.ambleway.com

Jack Mountain & Yacolt Reservoir

15.6 mi · ▲ 2,727 ft · 6 hr 34 min

Elevation 959–2,831 ft

Out & Back

Trailhead: 45.85868, -122.37406

Weather Sep 4: Rain, high 65°F / low 50° · precip 54% · wind 2 mph · sunrise 6:35 AM · sunset 7:44 PM

  1. Start at the trailhead, heading S.
  2. 50 ftPass Yacolt Reservoir.
  3. 0.3 miPass Yacolt Reservoir.
  4. 7.6 miReach Jack Mountain, then turn around and head back the way you came.
  5. 7.8 miArrive back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Weather

RainTemperature 65°F50°
Precip54%Wind2 mphUV5Humidity77%
Rained 0.2″ yesterday
Hourly temperatureRain chance
65°50° 12 AM: 4% rain1 AM: 6% rain2 AM: 6% rain3 AM: 3% rain4 AM: 3% rain5 AM: 6% rain6 AM: 12% rain7 AM: 8% rain8 AM: 13% rain9 AM: 22% rain10 AM: 22% rain11 AM: 17% rain12 PM: 8% rain1 PM: 9% rain2 PM: 10% rain3 PM: 20% rain4 PM: 25% rain5 PM: 54% rain6 PM: 42% rain7 PM: 21% rain8 PM: 8% rain9 PM: 6% rain10 PM: 5% rain11 PM: 3% rain
Sunrise 6:35 AM12 AM3 AM9 AM12 PM3 PMSunset 7:44 PM
Sat 69°50° 21%
Sun 71°51° 27%
Mon 71°47° 24%
Tue 82°50°
Wed 89°59°
Thu 78°57°

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