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Township (Lower-tier)
Township of Guelph/Eramosa
Rockwood Conservation Area
Rockwood Conservation Area
Location of Guelph/Eramosa within Wellington County
Location of Guelph/Eramosa within Wellington County
Guelph/Eramosa is located in Southern Ontario
Location of Guelph/Eramosa within Southern Ontario
Coordinates: 43°38′N 80°13′W / 43.63°N 80.22°W / 43.63; -80.22Coordinates: 43°38′N 80°13′W / 43.63°N 80.22°W / 43.63; -80.22
Country  Canada
Province  Ontario
County Wellington
Established 1999
 • Type Township
 • Mayor Christopher White
 • Governing Body Township of Guelph/Eramosa Council
 • MP Mike Chong (Con)
 • MPP Ted Arnott (PC)
 • Land 291.73 km2 (112.64 sq mi)
Population (2011)[1]
 • Total 12,380
 • Density 42.4/km2 (110/sq mi)
Time zone UTC-5 (EST)
 • Summer (DST) UTC-4 (EDT)
Postal code span N0B
Area code(s) 519 and 226
Highways Highway 7

Guelph/Eramosa is a township located in Wellington County, in midwestern Ontario, Canada. It partly encircles the city of Guelph, surrounding it in a continuous arc from approximately northeast to south-southwest of the city. It is part of the Guelph census metropolitan area.

The township was created in 1999 by the merger of the townships of Guelph and Eramosa, as well as parts of Pilkington and Nichol Townships. The name Eramosa was derived from the native word Un-ne-mo-sah (possibly meaning "black dog", "dead dog", or simply "dog").[2]

The mayor of Guelph/Eramosa in 2018 is Christopher White (since 2010). Township councillors are David Wolk, Corey Woods, Louise Marshall and Mark Bouwmeester. County councillors are Don McKay and Doug Breen.[3]

Now a major auto parts manufacturer with 22 plants in Guelph, Linamar was started in the village of Ariss in 1964 by Hungarian refugee Frank Hasenfratz, initially in his basement.[4] The company, with a staff of five, was incorporated in 1966 as Linamar Machine Limited. Linamar's first major contract was to manufacture automotive oil pumps for Ford.[5]


Rockwood is the main community in the township. Rockwood is located on Highway 7 between Acton and the city of Guelph. The Eramosa River runs through the centre of the village and is the reason for Rockwood's existence – having been the source of power for several mills that were the economic engine that spawned the original settlement. Limestone was also extracted from what is now the nearby Rockwood Conservation Area at that time. The conservation area is used for swimming, hiking, canoeing, picnicking and camping from last Friday in April to the Sunday following Thanksgiving and it has over 65,000 visitors a year.[6] The conservation area features a small reservoir on the Eramosa River, karst formations, and caves.

The township also includes the smaller communities of Ariss, Armstrong Mills, Birge Mills, Brucedale, Centre Inn, Eden Mills, Eramosa, Everton, Marden, Mosborough, Redwood Hills, and Rockcut.


According to the Canada 2011 Census:[1]

  • Population: 12,380
  • % Change (2006–2011): 2.6
  • Private dwellings occupied by usual residents: 4219 (total dwellings: 4334)
  • Area (km2): 291.71
  • Density (persons per km2): 42.4

Population trend:[7]

  • Population in 2011: 12,380
  • Population in 2006: 12,066
  • Population in 2001: 11,174
  • Population in 1996: 10,176
    • Eramosa (township): 6317
    • Guelph (township): 3282
  • Population in 1991:
    • Eramosa (township): 5949
    • Guelph (township): 3274


Guelph/Eramosa is covered by local newspapers and television through the following services:

  • The Wellington Advertiser
  • TVCogeco
  • The Acton New Tanner


Guelph/Eramosa township contains three public elementary schools administered by the Upper Grand District School Board. These are:

  • Eramosa Public School
  • Rockwood Centennial Public School
  • Harris Mill Public School (French Immersion)

The Wellington Catholic District School Board opened its first school in the Township in September 2016:

  • Sacred Heart Catholic School[8]

There is also one private school located in Guelph/Eramosa:

  • Elora Road Christian School

See also[edit]


  1. ^ a b c "Guelph/Eramosa community profile". 2011 Census data. Statistics Canada. Retrieved 2012-02-11.
  2. ^ Quaile, Deborah (2007). Eramosa Anecdotes. Rockwood: Wordbird Press. ISBN 978-0-9733911-3-8.
  3. ^ Guelph/Eramosa, Ontario official website
  4. ^
  5. ^
  6. ^ Rockwood Conservation Area official website
  7. ^ Statistics Canada: 1996, 2001, 2006, 2011 census
  8. ^

External links[edit]