The Agnes Banks Natural Area is a heritage-listed natural sand deposit, fauna habitat and native flora site at Rickards Avenue in the western Sydney suburb of Agnes Banks in the City of Penrith local government area of New South Wales, Australia. It is also known as The Natural Area and Agnes Banks Sand Deposits. The property is owned by CSR Limited and the NSW Office of Environment and Heritage. It was added to the New South Wales State Heritage Register on 2 April 1999.