Includes Helicopter Scenic & River Cruise. The Pinnacle of Top End experiences, our Katherine Gorge Tour combines air, water and ground touring to experience everything Katherine Gorge has to offer. You'll see every aspect of the spectacular gorges, as well as the ancient, spiritual landscape that stretches across the Northern Territory. After a scenic flight from Darwin over Katherine, a boat cruise through the winding gorges awaits you. This tour also includes a helicopter tour through the more inaccessible parts of the gorges.