Scadbury Park is a Local Nature Reserve in Chislehurst in the London Borough of Bromley. It is also a Site of Metropolitan Importance for Nature Conservation. It is over 300 acres, and is part of an extensive wildlife corridor together with Petts Wood and the Jubilee Country Park. It has large areas of ancient woodland, especially oaks, and flowers include Lily of The Valley, which is rare in London. Ponds have London's largest population of protected Great Crested Newts. Much of it is undisturbed grassland, and it also includes a working farm.
The main entrance is in Old Perry Street. The entrance piers, still exist. Also a West Lodge to the estate still exists, also on Old Perry Street. The London Loop passes through it from Sidcup By-Pass Road near its junction with Perry Street to St Paul's Cray Road.