West Woodhay Down is a biological Site of Special Scientific Interest in Berkshire and Hampshire. It is lowland Calcareous grassland with a northwest facing bank, and forms part of the northern slopes of Walbury Hill and Combe Hill. The site was formerly included as part of Inkpen and Walbury Hills SSSI.
West Woodhay Down is in the civil parishes of West Woodhay and East Woodhay, to the south-west of the town of Newbury. West Woodhay parish is within the unitary authority area of West Berkshire and the ceremonial county of Berkshire, whilst East Woodhay is within the district of Basingstoke and Deane in the administrative county of Hampshire.
Flora
The site has the following Flora: