Mill Pond Historic Site

Mill Pond Historic Site

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Location Address

Sullivan Lake Road
Metaline Falls


This trailhead provides access to a loop trail system through the Mill Pond Historic Site.Highlights include a footbridge over the canyon at the former dam site, interpretive signage, and trails connecting to the Mill Pond Campground and fishing access paths to Sullivan Creek.


Part of Seattle City Light’s Mill Pond Project: the dam has been removed, the floodplain habitat is being restored, and the system now features a complete loop around the basin including footbridges across Sullivan Creek, and an interpretive loop in the floodplain itself.

In 2019–2020, PNTA trail crews helped complete the Sullivan Creek loop, including the construction of a puncheon bridge and several turnpikes built as work-based learning projects with students from the Curlew Job Corps.  Part of the Mill Pond system could become an integral piece of the puzzle that connects the PNT from Sullivan Lake to the town of Metaline Falls.



This trailhead provides access to several area trails. Find a trail map of the historic site here.



From Metaline Falls, WA: 

  • Follow Hwy 31/ International Selkirk Loop N/Lehigh Ave north out of town for 2.1 miles.
  • Turn right on Sullivan Lake Rd.
  • Continue 3.3 miles on Sullivan Lake Rd; the driveway for the Mill Pond Historic Site (Day Use Area) will be on your right.



Area amenities include trailhead parking, an interpretive site, picnic tables, and vault toilets


Hiking, Fishing, Cycling, Outdoor Learning and Picnicking


No fees or passes are required for day-use visitors


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