[2] Dummer is home to the Pontook Reservoir, popular with canoeists, kayakers and birdwatchers.

[5] But the town remained unsettled until 1812 when William Leighton arrived from Farmington, New Hampshire, with his family.

But the region had forests, and the Upper Ammonoosuc River provided water power for mills.

[3] Log drives on the Androscoggin River supplied the papermills downstream in Berlin.

Dummer is in northern New Hampshire, close to the geographic center of Coos County.

[1] The highest point in Dummer is the summit of Cow Mountain, at 2,289 feet (698 m) above sea level in the northern part of the town.