Formosa is a community located in the municipality of South Bruce, in Bruce County, Ontario, Canada. Prominent features of Formosa include: * a hilltop church (named the Church of the Immaculate Conception) built from 1875-1883 * Lion and Lioness Park – a picnic stop * Formosa Springs Brewery (Brick Brewing Company) * site of the Formosa Mutual Insurance Company (1880) * Formosa Inn and Oberle's General Store (1886) Neighbouring towns include Mildmay and Walkerton. The postal code for the hamlet is N0G 1W0.