Lake Nuga Nuga is a natural water body at Arcadia Valley in the Central Highlands Region, Queensland, Australia. It is within the Central Queensland Sandstone Belt and adjacent to the Nuga Nuga National Park. It provides a habitat for waterbirds in an otherwise arid landscape. Lake Nuga Nuga is the largest natural water body in the entire Central Queensland Sandstone Belt. The lake sometimes dries up completely. But when there is water in it, Lake Nuga Nuga is a great spectacle. Water lily carpet the lake and in the vicinity groves of the endangered bonewood, , grow.