Oshitoishi Hill

Overview

Oshitoishi Hill, located in Minamioguni-machi, Aso-gun, Kumamoto Prefecture, is a Jomon-era megalithic religious site situated on a plateau in the Aso caldera. Numerous large stones are scattered across the hill, the largest being the "Oshitoishi," which stands 5.5 meters tall and has a circumference of 15.3 meters, resembling a pyramid. Strange phenomena, such as compasses malfunctioning and needles spinning, have been reported near this stone. From the summit, you can enjoy a 360-degree panoramic view of the majestic Aso Five Mountains and Kujyu Mountain, making it a renowned scenic spot. It's believed that Oshitoishi Hill was revered as a sacred place by ancient people, and its mystical atmosphere continues to captivate modern visitors. Various stones, including those said to be inscribed with ancient characters and others believed to have served as sundials, are scattered throughout the area, each with intriguing legends and historical accounts. Access by car is convenient. While the path from the parking lot to the top of the small hill is a gravel road making it difficult for cars to pass, the natural beauty, history, and mystery make it a worthwhile destination.