McCaul Loop is a turning loop and the western terminus of the 502 Downtowner streetcar line of the Toronto Transit Commission (TTC) in Toronto, Ontario, Canada. It is located on the east side of McCaul Street north of Queen Street West at the Village by the Grange mixed-use development, across the street from OCAD University. Streetcars can only enter northbound from Queen Street and exit one way to return southbound. Passengers cannot access vehicles within the loop and must use a stop outside at Stephanie Street.