Lake George (or Weereewa or Ngungara in the Ngunnawal language) is an endorheic lake in south-eastern New South Wales, Australia. It is approximately 40 kilometres north-east of Canberra located adjacent to the Federal Highway en route to Canberra and Sydney. Lake George is also the name of a locality on the western and southern edges of the lake, within the area of the Queanbeyan–Palerang Regional Council.
Lake George is an endorheic lake, as it has no outflow of water to rivers and oceans.
The lake is believed to be more than a million years old. Originally, small streams drained its catchment into the Yass River, but then the Lake George Escarpment rose due to major crust movement along a strong fault line, blocking this drainage and forming the lake. Lake George has in previous Ice Ages been much larger and deeper.
Max. length 25 km, Max. width 10 km, Max. depth 7.5 m
