Walker and Locke Brooks rise within Greenville, New Ipswich, and Mason, New Hampshire, while Willard Brook rises in Ashby, Massachusetts. The Squannacook flows east and southeast through Townsend and West Groton, Massachusetts, and joins the Nashua River in wetlands just east of Woodsville.
Streams Walker and Locke Brooks rise in Greenville, New Ipswich, and Mason, New Hampshire, while Willard Brook rises in Ashby, Massachusetts. The Squannacook river flows east and southeast through Townsend and West Groton, Massachusetts, before joining the Nashua River in wetlands just east of Woodsville.