[1] The eastern end of the dunes adjoins the River Arun and Littlehampton Redoubt.
Dogs off leads can easily run around the dunes, and destroy the vegetation.
The Climping dunes are an SSSI (Site of Special Scientific Interest).
In 2006 the total number of full species at Climping Gap stood at 256.
Plant communities include Yellow horned poppy, Sea Kale, Sea Beet, Curled Dock, Eryngium maritimum, Sand Catchfly, Viper's Bugloss and Nottingham Catchfly.