In the Mouth of Madness was filmed in Toronto in Canada.
Locations
Black Church
Real
In movie
Publisher's Office
Real
In movie
Cafe
Real
In movie
Woodbine Motel
Real
In movie
Railway Crossing
Real
In movie
Records Office
Real
In movie
Pickman Hotel
Scene was shot Constructed in 1936 for the inventor Robert Jackson, this isolated estate in the Rouge Valley is now owned and maintained by the nearby Toronto Zoo and use for events and filming.
Real
In movie
Hobb's End Main Street
Scene was shot Unionville's historic Main Street is a popular tourist destination for its preserved small town feel amongst all of the surrounding development, preserving many features dating back to the village's founding in 1794.
Real
In movie
Mental Hospital
Scene was shot Built in 1941 atop a former amusement park, the R. C. Harris plant currently provides almost half of Toronto's drinking water. The building was designed in the art-deco style and is known colloquially as the Palace of Purification for its grand architecture both inside and out. The plant was named after Rowland Caldwell Harris, who was Toronto's Commissioner of Works at the time of construction.