A Directory of Important Wetlands in Australia

A Directory of Important Wetlands in Australia (DIWA) is a list of wetlands of national importance to Australia. Intended to augment the list of wetlands of international importance under the Ramsar Convention, it was formerly published in report form, but is now essentially an online publication. Wetlands that appear in the Directory are commonly referred to as "DIWA wetlands" or "Directory wetlands".

Using criteria agreed in 1994, a wetland can be considered “nationally important” if it satisfies at least one of the following criteria:

The directory uses a classification system consisting of the following three categories (i.e. A, B and C) which are further sub-divided into a total of 40 different wetland types:

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