Black Diamond, a region in King County, Washington, is a 1,240-acre forested natural area known for its diverse landscape. The area features extensive wetlands, peat bogs, and streams like Rock Creek and Ravensdale Creek, which contribute to its unique ecosystem. Predominantly forested, Black Diamond offers varied terrain, from flat, well-worn paths to more strenuous sections with significant climbs. This environment supports a range of outdoor pursuits, including several sports like hiking, touring cycling, jogging, road cycling, and more.
51
Routes
4.7
(26)
Average rating
690
People visited

3
hikers
3.20km
00:51
30m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

1
hikers
6.27km
01:39
50m
50m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

5.86km
01:30
0m
60m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

2.15km
00:34
10m
20m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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4.0
(1)
3
riders
34.9km
02:30
340m
340m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
36
riders
87.5km
05:29
740m
740m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

17
riders
103km
06:47
770m
770m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

14
riders
48.3km
03:05
400m
400m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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7.15km
00:48
30m
30m
Moderate run. Good fitness required. Mostly accessible paths. Some sure footedness required.

46
runners
19.3km
02:07
140m
140m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

19
runners
12.1km
01:26
110m
110m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

17
runners
12.8km
01:20
80m
80m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.8
(6)
120
riders
61.8km
02:49
410m
410m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

17
riders
52.0km
02:14
370m
370m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

23
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(1)
21
riders
106km
05:26
630m
630m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
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5.0
(1)
54
riders
19.9km
01:39
170m
170m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

27
riders
8.30km
00:41
30m
40m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

5.0
(1)
21
riders
25.0km
01:44
130m
130m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

5.0
(1)
21
riders
34.9km
02:44
290m
290m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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4.9
(10)
28
riders
33.4km
02:14
280m
280m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
15
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

17
riders
20.9km
01:32
170m
170m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5
riders
17.2km
00:58
120m
120m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Black Diamond offers a variety of outdoor activities including Hiking, Touring cycling, Jogging, Road cycling, Mountain biking, and Gravel biking. The area features more than 17 miles of multi-use trails across its 1,240 acres. Over 1,600 visitors have explored the 13 routes, which hold an average rating of 4.75 out of 5 stars.
Black Diamond provides diverse hiking opportunities, from easier, well-worn paths on the west side to more strenuous climbs on the east. For a comprehensive overview, consult the Hiking around Black Diamond guide. This resource details various trails suitable for different skill levels.
Yes, the west side of Black Diamond Open Space features easier, largely flat paths suitable for casual walks and beginners. Specific easy routes can be found in the Easy hikes around Black Diamond guide. These trails are ideal for those seeking less challenging terrain.
Black Diamond offers routes for touring, road, and mountain biking. The multi-use trails and access roads can be used for touring and road cycling, especially flatter sections. For detailed routes, refer to the Cycling around Black Diamond and Road Cycling Routes around Black Diamond guides.
Black Diamond Open Space is a popular destination for mountain biking, featuring trails with banked turns, berms, and man-made jumps, particularly on the east side. The trail system connects to Henry's Ridge, Summit Ridge, and Lake Sawyer. Explore specific routes in the MTB Trails around Black Diamond guide.
Yes, gravel biking is an available activity in the Black Diamond region. The multi-use trails and varied terrain are suitable for gravel bikes. For specific routes and information, consult the Gravel biking around Black Diamond guide.
The Black Diamond Open Space is characterized by extensive forests, significant wetlands, and peat bogs. Rock Creek and Ravensdale Creek flow through the area, supporting various fish species like cutthroat trout, coho, sockeye, and chinook salmon. The region also serves as a protected migratory corridor for wildlife.
The trails in Black Diamond are well-regarded on komoot, with over 1,600 visitors having explored the area. The 13 available routes collectively hold an average rating of 4.75 out of 5 stars. This indicates a high level of satisfaction among users.
The Black Diamond Open Space is managed by King County Parks, which generally allows dogs on trails, often requiring them to be on a leash. Visitors should check the official King County Parks website for specific regulations regarding pets in the area to ensure compliance.
Black Diamond Open Space is easily accessible via State Route 169, located between Maple Valley and Black Diamond. Ample parking is available for various vehicle types, including horse trailers. Specific trailhead parking information can be found on the King County Parks website.
Komoot offers several guides for Black Diamond, including Hiking around Black Diamond, Easy hikes around Black Diamond, Cycling around Black Diamond, Running Trails around Black Diamond, Road Cycling Routes around Black Diamond, MTB Trails around Black Diamond, and Gravel biking around Black Diamond.
The Black Diamond Open Space is managed by King County Parks. For more information, visit their official website at www.kingcounty.gov/parks. General inquiries can be made by calling 206-477-4527 or 1-800-325-6165.

