Why Are Great Australian Bight Cliffs 260m Impossibly Tall?
🕐 7 min read | 🌍 Natural Wonders 🔒 Key Takeaways The Great Australian Bight Cliffs reach 260 meters (853 feet)—taller than the Statue of Liberty and Empire State Building—stretching 1,200 km along Australia's southern coast. Pure Cretaceous limestone deposited 100+ million years ago resists erosion at just 2-3 centimeters per century, while 60+ knot Southern Ocean storms would obliterate softer rock. The Nullarbor Plain beneath contains 300+ karst cave systems and the Nullarbor Karst Aquifer—a freshwater reserve trapped underground for 10,000+ years supporting unique blind fish species. Aboriginal peoples inhabited these cliffs for 40,000+ years, leaving coastal middens, ochre paintings, and complex songlines encoding sacred Dreaming stories within the limestone landscape. Picture a wall of pure Cretaceous limestone stretching 1,200 kilometers along Australia's southern coast, rising 260 meters (853 feet) vertically above churning waters where waves regularly ...