Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Griffin House is a historic house associated with the Underground Railroad, located in the Ancaster community of Hamilton, Ontario. It offers tours and black-history-related programs as part of the Black Heritage Network. Griffin House was designated as a National Historic Site of Canada in 2008. The house is a rare surviving example of a four-room house typical in Upper Canada in the early 19th century.