The Heintzman House, also known as Sunnyside Manor Farm, is one of the oldest buildings in Thornhill-Markham, Ontario, where it sits on the crest of Bay Thorn Drive.
Wikipedia https://en.wikipedia.org/wiki/Heintzman_House
Address 102 Royal Orchard Blvd, Markham L3T, Canada
Coordinates 43°49'25.791" N -79°24'58.712" E
