Mt. Hiuchi
Mt. Hiuchi
One of the hundred mountains of Japan (2,462 m above seal level), located across the borders of Itoigawa City and Myoko City in Niigata Prefecture. Koyaike is a vast high moor located at approximately 2,100 m above sea level, noted for changing vegetation (e.g., cotton-sedge, red leaves of fall) through the seasons. Noted as Japan's northernmost rock ptarmigan colony.