Glass House Mountains

Mount Ngungun, in the Glass House Mountains, is part of Australia's ancient volcanic past.

The Glass House Mountains, are hard to miss. These ancient volcanic plugs are all that is left of eruptions that occurred around 25 million years ago. They are among hundreds of ancient volcano remnants that extend 3,500 kilometres from Tasmania to northern Queensland….. https://www.abc.net.au/news/science/2020-12-29/australias-ancient-volcanoes-form-geology-cradle-mountain/12987192