Nantou City (Chinese: 南投市; pinyin: Nántóu shì; Wade–Giles: Nan-t'ou Shih; Pe̍h-ōe-jī: Lâm-tâu-chhī) is a county-controlled city located in the northwest of Nantou County, Taiwan. It lies between the Bagua Mountains and the Maoluo River and is the county seat of Nantou County. Freeway No. 3 serves Nantou City.