At 67 hectares, Wormwood Scrubs is the borough's largest open space. The eastern half is a huge expanse of grass big enough for sports pitches. The western side is more overgrown. Areas of woodland, scrub and meadows with grass paths and nature trails. The 'Scrubs' has about 18 hectares of tree cover and 22 hectares of long grass meadow with almost 100 species of birds and 250 species of wildflowers). Leisure facilities include play areas, walking / cycling routes, sports pitches, and a model aircraft runway.