Chelsea is a municipality located immediately north of Gatineau, Quebec, Canada, and about north of Ottawa. Chelsea is located within Canada's National Capital Region. It is the seat of Les Collines-de-l'Outaouais Regional County Municipality. Its population was 8000 in the 2021 Canadian Census. The population of Chelsea is almost evenly divided between anglophones and francophones, with both official languages being spoken in roughly 70% of households. The municipality has a reputation for being environmentally responsible, with and was one of the first in Canada to ban the use of pesticides. While 60% of the area consists of Gatineau Park, much of the rest of Chelsea is residential. A sports complex, the Meredith Centre, was developed in 2012, neighboring Chelsea Elementary School. The complex hosts a hockey rink, community rooms, and soccer fields. The mayor of Chelsea, QC is Pierre Guénard. Part of the film Grey Owl was shot on the Gatineau River. A number of regionally and nationally well-known musicians, filmmakers, and artists live in Chelsea, including Ian Tamblyn. Geography Chelsea is a roughly triangle-shaped municipality that includes much of the southern and eastern parts of Gatineau Park, and is bordered on the east by the Gatineau River. The southern border is south of Old Chelsea, the municipality historical center, and runs north to the community of Farm Point. Beyond Farm Point lies the municipality of La Pêche and the village of Wakefield. North of Old Chelsea is Camp Fortune, a popular alpine ski club 15 minutes from Downtown Ottawa. Communities Kingsmere Chelsea Old Chelsea Larrimac Farm Point Hollow Glen History Chelsea is named after the Vermont town of its first settler, Thomas Brigham, who was a partner and son-in-law of Philemon Wright and arrived there in 1819. The name has been in use since the early 19th century: Old Chelsea (1819), Parish Saint-Stephen-of-Chelsea (1835), Chelsea (circa 1870). In 1875, the municipality was established as Hull-Partie-Ouest, or commonly referred to as West Hull. The municipality was renamed to its current name in 1990. During World War II, the Royal Canadian Navy wanted to understand more about the propagation of radio waves and how they were affected by the earth's ionosphere so that German radio transmissions could be intercepted more efficiently. In cooperation with the National Research Council, the RCN established a "field intensity station" at Chelsea in 1941 to monitor the height of the ionosphere. Chelsea, also known as an