Pinkerton Landcare & Environment Group (PLEG) is concerned with the restoration of native grasslands and grassy grey-box woodlands, including the grassy woodland of Pinkerton Forest, the nearby native grassland in Mulla Mulla Grasslands (Bush's Paddock) and of the adjacent section of the Werribee River Volcanic Gorge, (which adjoins Western Water Treatment Plant at Surbiton Park) within the City of Melton, Victoria, Australia.