Sudbury, city in southeastern Ontario, Canada, on Ramsey Lake. It is the judicial seat for Sudbury District. Sudbury is a commercial, manufacturing, educational, and transportation center situated in a major nickel- and copper-mining area. Products include processed ore, chemicals, construction materials, foodstuffs, beverages, fabricated metal, machinery, and printed materials. The city is served by Sudbury Airport.
Laurentian University (bilingual, French/English), two junior colleges (one French, one English), and several research institutes for mining are located in the city. Points of interest include Science North, a hands-on science center where visitors can learn about the Sudbury Neutrino Observatory (located west of the city). Sudbury is also home to the Flour Mill Heritage Museum; the Copper Cliff Museum; the Art Gallery of Sudbury; the Northern Ontario Railroad Museum and Heritage Centre; and the Lake Laurentian Conservation Area. The Sudbury Wolves hockey team plays at the Sudbury Arena. Annual events include the Canadian Garlic Festival and the Northern Lights Festival Boreal, both in summer, and the Cinéfest international film festival in autumn.