High Park Nature 

High Park Facts & Figures

High Park contains some of the most significant natural areas in the City of Toronto including:

  • an outstanding concentration of provincially and regionally rare plant species;
  • provincially rare black oak savannahs;
  • regionally rare moist red oak and hemlock forests; and
  • locally significant examples of lakeshore marsh, natural bottomlands and dry red oak/white oak upland forests.

Source: MNR, High Park Oak Woodlands of Natural and Scientific Interest(1989)


23 vegetation communities:

  • predominantly tallgrass savannah, deciduous forest, cultural woodland and open water, with small areas of mixed forest, swamp and marsh

136 L1 to L4 flora species

41 L1 to L4 fauna species

260 species of flora (incomplete list)

  • well over 150 species of birds seen regularly, including migrants; more than 50 species breed in the park.
  • at least 70 species of butterflies found in High Park in recent years, more than 40 of which are known to breed here
  • 4 species of turtles,
  • 2 species of snakes,
  • at least 3 species of amphibians including 2 frogs & toads, and 1 salamander
  • 12 species of fish
  • about 18 species of mammals, including bats

NOTE: The same area may be included in more than one category listed below.

Total park area: 161 ha

Total area designated as Environmentally Significant Area (ESA): 83.25 ha

Total area designated Area of Natural and Scientific Interest (ANSI): 73 ha

Total terrestrial areas considered "natural areas": 79 ha

  • black oak savannah: 22.7 ha1
  • woodland (including mix of significant oak woodland and disturbed woodland areas): 32.3 ha

Total aquatic environments: 24 ha


- "Jewel" Brochure, 2008

- High Park's ESA Status - Summary

1 27.5 ha of black oak savannah per personal communication with Lisa McLean, Forestry, City of Toronto, May 2, 2016

Much of High Park is designated provincially significant Area of Natural and Scientific Interest (ANSI) and thus is protected for the long term by the Provincial Policy Statement and its guideline the Natural Heritage Reference Manual (NHRM). (Municipalities need to either follow the guideline or take measures that have the same effect and explain how the effect is achieved.)

The plant community in High Park is ranked G1, i.e. critically imperilled on a global basis (see G–ranks).


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Content last modified on July 17, 2018, at 06:09 PM EST