Formosa is a community located in the municipality of South Bruce, in Bruce County, Ontario, Canada. Prominent features of Formosa include: a hilltop church built from 1875-1883 Lion and Lioness Park – a picnic stop Formosa Springs Brewery site of the Saugeen Conservation's main administrative office Formosa Inn and TNT General Store Neighbouring towns include Mildmay and Walkerton. The postal code for the hamlet is N0G 1W0.