The Clamshell Falls is a cascade waterfall on the Behana Creek, located in Wooroonooran, Cairns Region, Queensland, Australia. Location and features The falls are situated in the Wooroonooran National Park and descend down to the Behana Gorge, below the Whites Falls. See also List of waterfalls List of waterfalls in Australia Categories: Waterfalls Of Far North Queensland, Cascade Waterfalls