Hancock Gorge - water is flowing down a waterfall in Hancock Gorge into Raglan Pool and some further unaccessible pools beyond. . Hancock Gorge, Hamersley Range, Karijini National Park, Pilbara, Western Australia, Australia . They are surrounded by steep, red and very terraced cliffs. The by sunlight ablaze red walls reflect in the pool's surface and give it an orange colour. Also the wet bedrock glows in gold to orange and gives the whole scenery a magic touch.