Pioneer Park contains the largest forest on the island, covering 113 acres of lush, wooded land, ravines, streams and trails, ideal for hiking, horseback riding, and biking. Some trails are accessible by wheelchairs and strollers. Trails in the northeast quadrant of the park also connect to the Engstrom Open Space area, an 8-acre area of wilderness.
6800 Island Crest Way, Mercer Island, WA 98040
(206) 275-7609
  • Fax: 206-275-7868
  • Hours: Daily, 6am - 10pm
  • Accessible: yes
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