The Table Bay Nature Reserve is an 880-hectare (2,200-acre) nature reserve in Milnerton, Western Cape, South Africa. It consists of several smaller constituent reserves including Rietvlei Wetland Reserve, Diep River Fynbos Corridor, Zoarvlei Wetlands, Milnerton Racecourse Nature Reserve, and Milnerton Lagoon, as well as surrounding protected areas. These adjacent reserves were amalgamated on 27 June 2012, in order to improve the biodiversity management in the built-up area. It is managed by the City of Cape Town's Environmental Resource Management Department, with offices at Rietvlei.