Aberfoyle Woollen Mill is a historic textile mill located in Aberfoyle, Ontario, Canada. Established in the mid-19th century, it played a significant role in the local economy by producing high-quality woolen fabrics. The mill harnessed the power of the nearby Guelph River, utilizing water wheels to drive its machinery. Today, the mill is recognized for its heritage value and is a popular destination for visitors interested in industrial history. It showcases traditional wool processing techniques and offers insights into the region's textile industry, contributing to the preservation of Ontario's cultural heritage.