The Nisqually unit consists of multiple parcels totaling 648 acres about nine miles northeast of Olympia in Thurston County near the confluence of the Nisqually River and Puget Sound and adjacent to the Nisqually National Wildlife Refuge. The property was purchased for outdoor recreation, including public hunting and fishing, sightseeing, photography, nature study and boating. Habitat types include tidal flats, estuary, riparian, open fields and forest. Habitat suitable for waterfowl, raptors and migratory birds dominates the landscape.