Great Valley Mill
Great Valley Mill, also known as the Old Grist Mill in the Great Valley, is a historic grist mill located in Tredyffrin Township, Chester County, Pennsylvania. It was built in 1859, and is a four-story, rectangular banked stuccoed fieldstone structure. It measures by, and has a gable roof. It was listed on the National Register of Historic Places in 1983.
The current building stands on the site of earlier mills, the first dating from 1710. The mill ground flour until the late 20th century, when the flour business was moved to Berks County.