Foster & Marsh Islands

Foster and Marsh Islands is an easy to moderate hike of 7.6 miles with 500 feet of gain.

Follow trails through Washington Park Arboretum to Foster and Marsh Islands on Union Bay. Continue along the Ship Canal Waterside Trail, then loop back to the Arboretum to enjoy late spring blooms and birds. Next head downhill to Madison Park to enjoy shoreline views and to find hidden Beaver Lodge Sanctuary.

  • Difficulty: Easy/Moderate
  • Length: 7.6 mi
  • Elevation Gain: 500 ft
  • Land Manager: Land Manager TBD
  • Parking Permit Required: None
  • Default Party Size: 12
  • Maximum Party Size: 12
  • Red Marker
    47.635939, -122.293384
    47.6359393 -122.2933841

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