Dummer is a town in Coös County, New Hampshire, United States. The population was 306 at the 2020 census. Dummer is home to the Pontook Reservoir, popular with canoeists, kayakers and birdwatchers. In
Errol is a town in Coös County, New Hampshire, United States. The population was 298 at the 2020 census. It is located north of the White Mountains along Route 16 at its intersection of Route 26. It h