Austroaeschna obscura is a large species of dragonfly in the family Aeshnidae,[3] known as the Sydney mountain darner.

[4] It is found in the Sydney Basin in Australia, where it inhabits rivers and streams.

[5] Austroaeschna obscura is a very dark dragonfly with distinct pale markings.

It appears similar to the more widespread multi-spotted darner, Austroaeschna multipunctata.

[4]