Castle Frank Brook is a buried creek and south-west flowing tributary of the Don River in central and north-western Toronto, Ontario, originating near the intersection of Lawrence Avenue and Dufferin Street. * Cedarvale Park * The Nordheimer Ravine, named after Samuel Nordheimer, a piano importer who lived nearby * The Russell Hill Emergency exit located in Winston Churchill Park * Historical marker, located south of Bloor Street adjacent to Castle Frank station, was placed on the approximate site of the historic Castle Frank residence in 1954 * Map of Castle Frank *