Best hikes in Black Diamond Open Space

Ambleway maps 14 hikes in Black Diamond Open Space, from a 2.0-mile walk to a 6.0-mile day out. 1 of them scores as wild, staying clear of roads and development for most of the route; the wildest is Ten Trails Upper Detention Basin & Ten Trails Lower Detention Basin. The biggest climb is Ravensdale Lake–Frog Lake, 7 sights, gaining 278 ft, and the network tops out at 750 ft. 2 start within walking range of public transit.

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