The McIntosh, McIntosh Red, or colloquially the Mac, is an apple cultivar, the national apple of Canada. The fruit has red and green skin, a tart flavour, and tender white flesh, which ripens in late September. In the 20th century, it was the most popular cultivar in Eastern Canada and New England, and is considered an all-purpose apple, suitable both for cooking and eating raw.

South Dundas is a municipality in eastern Ontario, Canada, in the United Counties of Stormont, Dundas and Glengarry along the north shore of the St. Lawrence River. It is located approximately 100 kilometres south of Ottawa and is midway between Kingston and Montreal, Quebec.