Circuit Mosport International Raceway in Canada has hosted 8 Grands Prix between 1967 and 1977.
Canadian Tire Motorsport Park (formerly Mosport Park and Mosport International Raceway) is a multi-track motorsport venue located north of Bowmanville, Ontario, Canada. The facility features a 2.459-mile (3.957 km), (length reduced through wider track re-surfacing done in 2003) 10-turn road course; a 2.9 km advance driver and race driver training facility with a quarter-mile skid pad (Driver Development Centre) and a 1.5 km kart track (Mosport Kartways). The name "Mosport" is a contraction of Motor Sport, came from the enterprise formed to build the track; it is pronounced as the two words actually sound, "Mo-Sport" (but is often incorrectly pronounced "Moss-Port").
source: Wikipedia
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