[1] The most recent estimate, based on radiocarbon dating of plant fibres in the main crater (Blue Lake) suggests an eruption a little before 6000 years ago.

[citation needed] Mount Gambier is thought to have formed by a mantle plume centre called the East Australia hotspot which may currently lie offshore.

[6] Their Dreaming story tells of a giant ancestor creator being called Craitbul, who wandered the land with his family looking for a place to be safe from the evil spirit, Woor, and finding it.

Both of these lakes were quite shallow; their demise is attributed to the lowering of the water table as a result of many years of land drainage to secure farmland.

[13] This area is part of the UNESCO-endorsed Kanawinka Geopark, and the city of Mount Gambier partially surrounds the maar complex.