Northwoods is located next to Harrowfield.
In Daughter of the Forest[]
Sorcha was taken by Red to his land, Harrowfield. He was its leader. Next to it, there was a feud, named Northwoods, whose leader was Red's uncle, Richard. Richard tried to burn Sorcha, accusing her of sorcery. Richard's daughter got married to Simon, Red's brother.
In Child of the Profecy[]
Northwoods is considered the main Sevenwaters enemy.