Autodrome Montmagny is a challenging and historic motorsport circuit located in Montmagny, Quebec, Canada. Opened in 1968, the track has been a fixture in Canadian racing for over five decades, hosting a diverse range of events and series. Originally a dirt oval, it was paved in 1982, transforming into the multi-configuration asphalt track it is today.

The circuit's primary layout is a 1.25-mile (2.01 km) road course characterized by a mix of fast sweepers, tight corners, and a challenging chicane section. The layout features several elevation changes, adding to the complexity and demanding a balanced car setup. A shorter oval configuration is also available, though less frequently used for major events. The track surface is known for its abrasiveness, placing a premium on tire management throughout a race.

Technically, Autodrome Montmagny is considered a mid-speed circuit, rewarding horsepower but also requiring precise handling and braking. The circuit's relative narrowness and limited run-off areas demand respect and precision from drivers. Safety upgrades have been implemented over the years, including improved barriers and marshal posts, while retaining the circuit's original character.

Autodrome Montmagny hosts a variety of racing, including stock car racing (ACT Series), sports car events, formula car championships, and motorcycle racing. The track has also been a popular venue for drifting competitions and driver training programs. What makes Autodrome Montmagny unique is its blend of old-school charm and modern safety standards. The track's challenging layout and passionate local fanbase create a vibrant and engaging atmosphere, making it a beloved destination for both racers and spectators alike. Its history, combined with the demands it places on drivers and equipment, ensure its continued relevance in the Canadian motorsport landscape.