2021 Map of Somersworth

About this map

The Salmon Falls River serves as the geographic and economic spine of this borderland, separating Somersworth, New Hampshire, from Berwick, Maine. This modern survey illustrates the enduring settlement patterns of the river valley, where the historic Foundry district and the mills once powered by the water remain central to the urban landscape. Beyond the town centers, the terrain rises into a series of named heights such as Blackberry Hill and Diamond Hill, while the lowlands are defined by complex wetland systems like The Marshes and Cranberry Meadow. Genealogists and local historians can trace legacy transport routes and landmarks, including the Perrotti Skyranch Airfield and the Evergreen Cem. The hydrography is particularly detailed, showing the network of brooks—such as Togue Brook and Maple Swamp Brook—that feed into the Great Works River Reservoir.