Commonwealth Basin Trail & Old Commonwealth Trail via Pacific Crest Trail is a 4.1-mile out-and-back near Denny Creek, WA. It climbs 947 ft, with sections as steep as 25% grade, and is mostly dirt. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi2,966 – 3,885 ft · steepest grade: 25%4.2 mi
Getting there
Trailhead: Pacific Crest Trail 47.42577, -121.41585
Nearest town Denny Creek, WA
Directions
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Commonwealth Basin Trail & Old Commonwealth Trail via Pacific Crest Trail
4.1 mi · ▲ 947 ft · 1 hr 50 min
Elevation 2,967–3,886 ft
Out & Back
Trailhead: Pacific Crest Trail · 47.42577, -121.41585
Weather Aug 4: Overcast, high 70°F / low 45° · precip 2% · wind 3 mph · sunrise 5:47 AM · sunset 8:38 PM
Dogs allowed on leash · Transit-accessible: FlixBus Snoqualmie Pass stop 90 m from the trailhead · Toilets at the trailhead · Parking lot at the trailhead
- Start on Pacific Crest Trail, heading N.
- 0.3 miTurn left onto Pacific Crest Tral Access, heading N.
- 0.1 miSharp right, heading E.
- 200 ftBear left onto Old Commonwealth Trail, heading N.
- 1.1 miSharp right onto Commonwealth Basin Trail, heading NE.
- 200 ftBear right onto Pacific Crest Trail, heading NE.
- 2.3 miContinue straight onto Pacific Crest Tral Access, heading W.
- 50 ftTurn left onto Pacific Crest Trail, heading NW.
- 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
100% dirt
Weather
OvercastTemperature 70°F45°
Precip2%Wind3 mphUV7Humidity66%
Hourly temperature
70°45°
Sunrise 5:47 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:38 PM
Tue
79°57°
Wed
84°60°
Thu
83°56°
Fri
74°50°
Sat
73°48°
Sun
74°47°
Good to know
- Dogs allowed on leash
- Transit-accessible: FlixBus Snoqualmie Pass stop 90 m from the trailhead
- Toilets at the trailhead
- Parking lot at the trailhead
Other ways to reach this destination
More from Pacific Crest Trail Trailhead
- Lodge Lake via Pacific Crest Trail 3.6 mi · ▲ 842 ft
- Red Pond & Cave Ridge Trail via Pacific Crest Trail 4.2 mi · ▲ 1,650 ft
- Guye Peak North–Guye Peak Middle, 5 summits 4.6 mi · ▲ 2,159 ft
- Surveyors Lake–Beaver Lake, 3 lakes 5.7 mi · ▲ 1,542 ft
- Snow Dome–Prospector's Cave, 4 sights 6.7 mi · ▲ 3,432 ft
- Beaver Lake–Divide Lake, 5 lakes 9.3 mi · ▲ 2,527 ft
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