Chatham, New Hampshire Chatham, New Hampshire Chatham is a town in Carroll County, New Hampshire, United States. The population was 337 at the 2010 census. It is located in the White Mountains, and except for the southeast corner, all of Chatham is in the White Mountain National Forest. The town is home to the Cold River national forest campgrounds. Chatham was granted to Peter Livins and others, 7 February 1767, by colonial Governor Benning Wentworth. The town was named in honor of William Pitt, Earl of Chatham and Prime Minister of Great Britain, who had recently led Britain to victory in the Seven
Chatham Sound except in the northern part of the sound where depth exceeds . Chatham Sound Chatham Sound is a sound on the North Coast of British Columbia, Canada, bordering on Alaska, United States. It is located between Dundas and Stephens Islands and the Tsimpsean Peninsula near Prince Rupert. It is part of the Inside Passage and extends from Portland Inlet in the north to Porcher Island in the south. It may have been named in 1788 by British Captain Charles Duncan after John Pitt, 2nd Earl of Chatham, who was First Lord of the Admiralty at that time. Chatham Sound is