Duke's Hollow is a 0.27 hectare Local Nature Reserve and Site of Metropolitan Importance for Nature Conservation in Chiswick in the London Borough of Hounslow. It is owned and managed by Hounslow Council. The reserve is a steeply sloping site down towards The River Thames east of Barnes Railway Bridge, with access from Dan Mason Drive. It is a wooded area mainly of willow. The site is very neglected. Its important foreshore area appears to have been lost to a boat club and the viewing platform no longer exists.