Harrington is a township municipality in the Laurentides region of Quebec, Canada, part of the Argenteuil Regional County Municipality. It is located in the Laurentian Mountains, about north-west of Lachute. Its population centres include Harrington, Lac-Keatley, Lakeview, Lost River, and Rivington. Geography Harrington is a land of lakes and rivers, stocked with abundant fish. The Rouge River is the main river flowing through it, and the largest lakes include Lake (Lac) MacDonald, Green Lake, and Lake Harrington, each attracting a large number summer cottage vacationers. Its territory has a characteristic appearance of the Laurentian region with dense forests, rising to an elevation of in the north-east, which is more than Mont Chauve which dominates Green Lake. The Lost River flows for some miles from a spring that disappears under a calcareous rock between Gate Lake and Fraser Lake. History Harrington Township first appeared on the Gale and Duberger Map of 1795, but was not settled until 1830 when Scottish pioneers settled in the Lost River area in the east. In 1841, the township is officially established and in 1855, the township municipality was formed. It is believed that the name Harrington may be attributed to a location in England, however, the local post office was identified under the name of Rivington between 1878 and 1961. Demographics In the 2021 Census of Population conducted by Statistics Canada, Harrington had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of , it had a population density of in 2021. Local government List of former mayors: Ellen Lakoff (2001–2009) Keith Robson (2009–2012) Jacques Parent (2012–2021) Pierre Richard (2021–present) Education The Commission scolaire de la Rivière-du-Nord operates French-language public schools. École polyvalente Lavigne in Lachute Sir Wilfrid Laurier School Board operates English-language schools: Arundel Elementary School in Arundel serves a portion Laurentian Elementary School in Lachute serves a portion Grenville Elementary School in Grenville serves a portion Laurentian Regional High School in Lachute See also List of township municipalities in Quebec References External links Township municipalities in Quebec Incorporated places in Laurentides 1830 establishments in Lower Canada