Sunnyhill Nature Garden | Lambeth CouncilSunnyhill Nature Garden is a small open space that lies on top of a railway tunnel running between Tulse Hill and Streatham.Section:Parks Help improve this site by giving your feedback Sunnyhill Nature Garden is a small open space that lies on top of a railway tunnel running between Tulse Hill and Streatham. Originally a neglected area of scrub, it has gradually been transformed https://beta.lambeth.gov.uk/parks/sunnyhill-nature-garden