On the outskirts of southwest Portland, where small farm fields begin to appear, southeast Washington County. One of few refuges in the U.S. near large urban areas, this site is currently several thousand acres and may increase to 6,000 acres in the near future. Habitats include restored wetlands, woodlands, and grasslands. Includes disjunct Wapato Unit.

Ornithological Summary

In winter there are typically 15,000 to 30,000 waterfowl present on the refuge, with Northern Pintail exceeding 18,000 and Cackling Canada Geese exceeding 8,000 birds. In addition, shorebirds of many species are found on the refuge during spring and fall migration periods, in numbers exceeding 100 birds.

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