Phillips Brook rises in the township of Erving's Location, New Hampshire, in the vicinity of Kelsey Notch, and flows south through Odell, Millsfield and Dummer to join the Upper Ammonoosuc River in the town of Stark near the village of Crystal.
Phillips Brook starts in Erving's Location, New Hampshire, adjacent to Kelsey Notch, and flows south through Odell, Millsfield, and Dummer to unite with the Upper Ammonoosuc River in Stark near Crystal village.