This 13.2-hectare nature reserve in northwest London features a variety of habitats, including woodland, scrub, and grassland, which support a diverse range of flora and fauna. The reserve is home to several walking trails, including the Capital Ring walking route, and offers scenic views of the surrounding area. A variety of bird species can be spotted, including the green woodpecker, tawny owl, and song thrush, while mammals such as foxes, bats, and hedgehogs also inhabit the reserve. The site is also notable for its geological features, including a former quarry and a railway cutting that exposes the local geology.