Ashtead Common is a large area of ancient woodland located in Surrey, England. It covers approximately 200 hectares and is known for its diverse habitats, including woodlands, heathlands, and grasslands. The site is home to various wildlife species, making it a popular destination for nature enthusiasts and walkers. Managed by the City of London Corporation, Ashtead Common is designated as a Site of Special Scientific Interest (SSSI). Visitors can enjoy numerous walking trails, picnic areas, and educational opportunities about the local flora and fauna. The common is also a part of the Thames Basin Heaths Special Protection Area.