Weengallon is a rural locality in the Goondiwindi Region, Queensland, Australia. In the 2021 census, Weengallon had a population of 46 people. The Barwon Highway goes through the locale. The significant cultural area of the Ngaru-gi Gali or Weengallon rock wells are four large water holes, some twelve metres deep, and several smaller ones. These wells we…Weengallon is a rural locality in the Goondiwindi Region, Queensland, Australia. In the 2021 census, Weengallon had a population of 46 people. The Barwon Highway goes through the locale. The significant cultural area of the Ngaru-gi Gali or Weengallon rock wells are four large water holes, some twelve metres deep, and several smaller ones. These wells were used by the Indigenous Australians, including the Kalkadoon as they moved from Mount Isa south for ceremonies and business towards Goondiwindi, and further coastal towards the Bunya Mountains. Another rock well exists at Thornby on the Moonie Highway near Saint George.