Seattle, WA: River Delta Loop

Explore wildlife-rich salt flats and marsh in one of the last undeveloped deltas in the Puget Sound Region.

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Trail Facts

  • Distance: 8.9

Waypoints

RDL001

Location: 47.0727729797363, -122.713653564453

Head along old farmer’s dike toward McAllister Creek

RDL002

Location: 47.0752487182617, -122.721534729004

Pass junction with closed dike trail and muskrat ponds

RDL003

Location: 47.0748519897461, -122.728393554688

Reach McAllister Creek (aka. Medicine Creek); turn N

RDL004

Location: 47.0837020874023, -122.726272583008

Trail turns away from creek; watch western shore for great blue heron rookery

RDL005

Location: 47.0842018127441, -122.724853515625

Side trail to birders’ blind

RDL006

Location: 47.0837059020996, -122.724464416504

Small wooden blind; look for waterfowl and resident herons in pond

RDL007

Location: 47.088550567627, -122.725662231445

Trail returns to McAllister Creek, dropping off dike to show tidal

RDL008

Location: 47.092170715332, -122.726005554199

Turn E across plains toward Nisqually River Mouth

RDL009

Location: 47.0935859680176, -122.702682495117

Platform offers views of Puget Sound, mouth of Nisqually; Turn S

RDL010

Location: 47.0898056030273, -122.69847869873

View of Nisqually River and grasslands. Watch for bald eagles

RDL011

Location: 47.0782241821289, -122.70906829834

Junction with side trail to Old Twin Barns historical site (.5 mile); stay L

RDL012

Location: 47.0749168395996, -122.710517883301

Side trail on R leading to another birders’ blind

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