Cape Range Canyon: Earth's Hidden 650m Abyss Explained
🕐 7 min read | 🌍 Natural Wonders 🔒 Key Takeaways Cape Range Canyon plunges 650 meters deep just 100 kilometers off Western Australia's coast, with walls dropping at 45+ degree angles—one of Earth's steepest submarine canyons. Limestone walls contain fossils dating back 65 million years to the Cretaceous period, preserving a tropical seaway ecosystem now replaced by cooler-water fauna. Over 1,200 identified marine species inhabit the canyon, including dozens found nowhere else on Earth, with hundreds more likely undiscovered. Coastal upwelling forces nutrient-rich deep water to the surface, creating phytoplankton blooms visible from satellite that feed humpback whales migrating 12,000 kilometers annually. Just 100 kilometers off Western Australia's northwest coast lies one of Earth's most dramatic underwater chasms: Cape Range Canyon plunges 650 meters deeper than most oceanic trenches are tall, yet remains virtually unknown outside scientific circles. T...