Ten Trails Upper Detention Basin & Ten Trails Lower Detention Basin
4.3 mi · ▲ 91 ft · 1 hr 29 min
Ten Trails Upper Detention Basin & Ten Trails Lower Detention Basin is a 4.3-mile out-and-back in Black Diamond Open Space near Kummer, WA. The route passes Ten Trails Upper Detention Basin, Ten Trails Lower Detention Basin and Ten Trails Upper Detention Basin. It is mostly level, with 91 ft of elevation gain. It scores 18/100 on the Ambleway Wildness scale: paved and peopled.
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Ten Trails Upper Detention Basin & Ten Trails Lower Detention Basin
4.3 mi · ▲ 91 ft · 1 hr 29 min
Elevation 531–606 ft
Out & Back · Black Diamond Open Space
Trailhead: 47.28567, -122.02259
Weather Aug 4: Overcast, high 85°F / low 53° · precip 0% · wind 5 mph · sunrise 5:50 AM · sunset 8:40 PM
- Start at the trailhead, heading NW.
- 0.3 miTurn right, heading NW.
- 0.4 miBear left, heading N.
- 0.5 miPass Ten Trails Upper Detention Basin.
- 0.4 miTurn right, heading NW.
- 0.2 miPass Ten Trails Lower Detention Basin.
- 50 ftPass Ten Trails Upper Detention Basin.
- 50 ftTurn left, heading NE.
- 0.1 miTurn right, heading N.
- 150 ftTurn right, heading E.
- 0.2 miBear left, heading W.
- 0.2 miTurn right, heading W.
- 1.3 miSharp right, heading E.
- 0.8 miArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
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