This is a list of National Historic Sites in the province of Ontario. As of July 2021, there were 274 sites designated in Ontario, 39 of which are administered by Parks Canada. Of all provinces and territories, Ontario has the greatest number of National Historic Sites, and the largest number under Parks Canada administration, with a dense concentration in southern Ontario. The five largest clusters are listed separately:
· List of National Historic Sites in Hamilton
· List of National Historic Sites in Kingston
Wikipedia https://en.wikipedia.org/wiki/List_of_National_Historic_Sites_of_Canada_in_Ontario
Coordinates 43°41'35.659" N -80°23'59.044" E
