Walter Sisulu is one of the 8 botanical gardens managed by the South African Biodiversity Institute (SANBI). The gardens consist of around 30 hectares of landscaped garden and 270 hectares of natural vegetation (Rocky Highveld Grassland). Witpoortjie Falls are the centre piece to the gardens. Walter Sisulu features a Waterwise Garden, Cycad Garden, Succulent Rockery, Fern Garden and arboretum.
https://www.gardenvisit.com/gardens/walter_sisulu_national_botanic_garden