This terminology is not widely used. It can be found on OpenStreetMap. It refers to the farthest inland segment of the Hood Canal after The Great Bend and up to Lynch Cove.
[Matthew 12:8] Observe again how in leading the discourse towards an apology for them, He shows His disciples to be above the need of any apology, and to be indeed blameless, as He had said above of the Priests. And He adds yet another plea which clears them of blame, For the Son of Man is Lord also of the sabbath.