Capreol is a community in the Ontario city of Greater Sudbury. Situated on the Vermilion River, Capreol is the city's northernmost populated are…Capreol is a community in the Ontario city of Greater Sudbury. Situated on the Vermilion River, Capreol is the city's northernmost populated area. From 1918 to 2000, Capreol existed as an independent town. However, on January 1, 2001, the towns and cities of the Regional Municipality of Sudbury were amalgamated into the single-tier city of Greater Sudbury.