Bruce's Mill Conservation Area (BMCA) is a conservation area located off Stouffville Road in the town of Whitchurch–Stouffville, Regional Municipality of York, Canada. The conservation area is about 108 hectares (267 acres) in size. BMCA is home to a diverse ecosystem, including 1.2 hectares of wetlands and 44 hectares of deciduous, coniferous and mixed forest. It is owned and managed by the Toronto and Region Conservation Authority (TRCA).