Marymoor Connector Trail Cultural Resource Project

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The 1.3-mile Marymoor Connector Trail is the last link in Washington’s King County regional trail system, allowing users to ride or walk from Puget Sound all the way to the Cascades.

ESA conducted background research and reviewed construction plans for the Marymoor Connector Trail that links the existing East Lake Sammamish and Sammamish River Trails. The work was conducted in multiple phases to address client budget concerns. The park contains significant historic and prehistoric cultural resources, including a poorly documented prehistoric site at the west end of the trail. Our team developed a monitoring plan used during construction, protecting the cultural resources and enabling construction to proceed on schedule.

ESA’s proactive team ensured the protection of this prehistoric cultural site throughout the planning and construction of the final link in western Washington’s regional trail system.

Specialized Services

  • Construction observation and support
  • Cultural resources avoidance plans
  • Cultural resources management plans
  • Environmental compliance documentation
  • Historical investigations, documentation, and plans
  • Inventories and reporting
  • Monitoring
  • Native American, ethnographic, and archaeological studies

Related images

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