Cannindah is a rural locality in the North Burnett Region, Queensland, Australia. In the 2021 census, Cannindah had a population of 35 people. In the Mississippian era also known as the Early Carboniferous period, the area was part of a shallow sea where coral formed a coral reef that became carbonate rock underlying the area. Cannindah Reef was th…Cannindah is a rural locality in the North Burnett Region, Queensland, Australia. In the 2021 census, Cannindah had a population of 35 people. In the Mississippian era also known as the Early Carboniferous period, the area was part of a shallow sea where coral formed a coral reef that became carbonate rock underlying the area. Cannindah Reef was the largest-known reef from this period.