Mattawan, Ontario

Mattawan
Municipality (single-tier)
Municipality of Mattawan
The Otto Holden Generating Station and dam across the Ottawa River.
Mattawan
Coordinates: 46°20′N 78°50′W / 46.333°N 78.833°W / 46.333; -78.833
CountryCanada
ProvinceOntario
DistrictNipissing
Settled1850s
Incorporatedearly 1880s
Government
  MayorPeter Murphy
Area
  Land200.12 km2 (77.27 sq mi)
Population
 (2021)
  Total
153
  Density0.8/km2 (2/sq mi)
Time zoneUTC-5 (Eastern (EST))
Postal code
P0H 1V0
Area code(s)705, 249
Websitemattawan.ca

Mattawan is a municipality in the Canadian province of Ontario. Located in the Nipissing District, the municipality had a population of 153 in the 2021 Canadian census.

The municipality has no named communities within its boundaries; all addresses within the municipality are rural routes assigned to the neighbouring town of Mattawa.

Its main access road is Highway 533, with Highway 656 as a short branch leading to the Otto Holden Generating Station on the Ottawa River.

In 2007, Mattawan, along with the town of Mattawa and the townships of Papineau-Cameron, Bonfield and Calvin cooperated to create a newly branded Mattawa Voyageur Country tourist region in order to promote the area.