This page discusses the rivers and hydrography of the state of Tasmania, Australia.
In the geography of Tasmania, the state is covered with a network of rivers and lake systems.
As an island, all rivers eventually empty into the waters that surround Tasmania.
There are four main river systems:[1] Compared to the rest of Australia,[2] Tasmania has a very high proportion of wild or undisturbed rivers.
[3][4] Major catchments of Tasmania are linked to the major rivers, the most notable being the Derwent.