Which rainforest in Australia is the oldest continuously surviving tropical rainforest?

The oldest continuously surviving tropical rainforest in Australia is the Daintree Rainforest. Located in northeastern Queensland, it forms part of the Wet Tropics of Queensland, a vast rainforest region along Australia’s northeast coast.

The Daintree is famous for its extraordinary age. Some rainforest communities in the wider Wet Tropics are estimated to have persisted for roughly 180 million years, making them older than the Amazon rainforest in its present form. The landscape includes dense lowland forest, mountain rainforest, mangroves, beaches, and the Daintree River.

Its age does not mean every individual tree has survived since the Jurassic period. Instead, the rainforest ecosystem and its plant lineages have continued through major geological and climatic changes. This is why claims about the Daintree being the world’s oldest rainforest usually refer to the continuity of rainforest communities, not to individual trees.

A common mix-up is confusing the Daintree with the Amazon, Congo, or Borneo rainforests. Those forests are much larger, but the Daintree is the canonical answer for Australia’s famously ancient tropical rainforest.