- The Humptulips-Grass Creek Unit is located in North Bay at the confluence of the Humptulips River, Grass Creek, and Grays Harbor. No maintained trails exist, and the best access is by boat or by the adventuring brush buster. This area is a popular waterfowl hunting and fishing site and has excellent birding opportunities. The unit is managed for tidal channel and estuary preservation in North Bay, salmon recovery, and waterfowl habitat.
- Johns River Wildlife Area (wdfw.wa.gov)
The Johns River Wildlife Area is located in Grays Harbor County and Pacific County, and covers approximately 11,200 acres of land. The wildlife area’s units are found mostly along Grays Harbor and Willapa Bay near the coast of the Pacific Ocean on the Olympic Peninsula.