Best hikes in Mercer Slough Nature Park

Ambleway maps 5 hikes in Mercer Slough Nature Park, from a 3.1-mile walk to a 12-mile day out. The biggest climb is Upper Luther Burbank Park–Gallager Hill Open Space, 7 groves, gaining 909 ft, and the network tops out at 273 ft. 4 start within walking range of public transit.