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Black Diamond Open Space

Puget Sound and Islands > Seattle-Tacoma Area
47.3373, -122.0151 Map & Directions
Length
17.0 miles of trails
Highest Point
700 feet
Find salmon, wetlands, and more at the Black Diamond Open Space. Photo by Violcia. Full-size image
  • Wildflowers/Meadows
  • Wildlife
  • Good for kids
  • Dogs allowed on leash
  • Rivers

Parking Pass/Entry Fee

None

The Black Diamond Open space consists of 1,240 forested acres including wetlands, peat bogs, streams and portions of the protected migratory corridor known as the Wildlife Habitat Network. Explore the 17 miles of non-motorized trails only two miles north of Black Diamond and six miles to the south of Maple Valley. Continue reading

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Hiking Black Diamond Open Space

The Black Diamond Open space consists of 1,240 forested acres including wetlands, peat bogs, streams and portions of the protected migratory corridor known as the Wildlife Habitat Network. Explore the 17 miles of non-motorized trails only two miles north of Black Diamond and six miles to the south of Maple Valley.

Rock Creek and Ravensdale Creek are two salmon-bearing streams that flow through the park. In addition to sockeye, chinook and coho salmon, mussels, cutthroat trout and beavers can also be found in these streams’ high-quality waters.

WTA worked here in 2021 and 2019!

Hike Description Written by
King County Parks, WTA Community

Black Diamond Open Space

Map & Directions

Trailhead
Co-ordinates: 47.3373, -122.0151 Open in Google Maps

Before You Go

See weather forecast

Parking Pass/Entry Fee

None

WTA Pro Tip: Save a copy of our directions before you leave! App-based driving directions aren't always accurate and data connections may be unreliable as you drive to the trailhead.

Getting There

From Seattle, drive I-90 to exit 25 for Highway 18. Turn right on Highway 18. Take exit SE 231st Street toward WA-169/Maple Valley. Turn south on SE 231st Street. Turn right onto WA-169 S / Maple Valley - Black Diamond Road SE.

In a little under half a mile, take a left onto SE 231st Street. After about 0.2 mile, take a right onto WA-169 using the right two lanes. Continue for approximately 4.5 miles and there will be a gravel parking lot on the left.

Take Transit

King County Metro Route 143 and DART Route 907 go to the SR-169 and SE 280 St stop and the Black Diamond-Ravensdale Rd SE stop nearby the park. (See metro.kingcounty.gov for schedules and connections).

More Hike Details

Trailhead

Puget Sound and Islands > Seattle-Tacoma Area

King County Parks

Guidebooks & Maps

King County Parks PDF Map: https://bit.ly/2JdlB77

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Black Diamond Open Space

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