Gainsborough Ravine is a small ravine fragment of the Small's Creek/Tomlin's Creek system in Toronto's east end. Once part of the old Toronto Golf Club, it was redeveloped for housing in the 1910s. For several decades the ravines of Small's Creek were used to dump ashes and rubbish, and gradually filled up. This remained, with a surface watercourse. Filmed 19 Nov 2020.