Blue hole island gully hidden falls secret falls are some of the names given to this hidden treasure which is nestled in the hills of the white river valley this tour is designed for the young and the young at heart you will begin your journey with a scenic drive up the hills through the rainforest and the amazingly beautiful landscape as you make your way to island gullyblue hole which remains in its pristine condition at this hidden attraction you can take a swim in one or more of