The Hidden Volcano in the Mornington Peninsula

Hidden beneath the rolling hills and vineyards of Victoria’s Mornington Peninsula lies a forgotten chapter of Australia’s fiery geological past. Discover the incredible story of the Arthurs Seat Rhyodacite — the remains of a long-eroded Devonian volcano that once erupted with explosive force, shaping the landscape we see today. Learn how fault lines, granite intrusions, and ancient tectonic forces brought this “lost volcano” to life, and what clues still remain in the rocks beneath your feet.