The largest nature reserve in Ontario Nature’s reserve system, the Altberg Wildlife Sanctuary Nature Reserve encompasses 470 hectares of central Ontario woodland and wetland.

The reserve straddles the contact between the granitic rocks of the Canadian Shield and the limestone of the Great Lakes - St. Lawrence forest. The Altberg Wildlife Sanctuary Nature Reserve provides habitat for numerous species that depend on large tracts of contiguous natural cover.

Red-shouldered hawks are frequently seen and have been known to nest on the property. In the summer, the forest and forest edges reverberate with the songs of breeding birds such as the hermit thrush,...