Oze National Park
Japan's largest high-altitude wetland spanning Gunma, Fukushima, and Niigata โ golden skunk cabbage in June, wildflowers in summer, and crimson foliage in autumn make it one of Japan's top nature destinations.
Mt. Akagi & Lake Onuma
An ancient caldera volcano rising to 1,828 m with three crater lakes, ancient beech forests, and sweeping Kanto Plain views โ superb hiking in summer and striking rime ice in winter.
Shima Onsen Valley
A remote hot-spring hamlet in a deep mountain gorge said to be the model for the setting of Studio Ghibli's Spirited Away โ its old wooden bathhouses and bridge are hauntingly atmospheric.
Lake Haruna & Mt. Haruna
A serene caldera lake on Mt. Haruna's rim, famous for brilliant autumn foliage, winter ice fishing, and panoramic views of the surrounding peaks from the lakeside promenade.
Fukiware Falls (Tone River)
Known as the 'Niagara of the East' โ a wide curtain of water tumbling over basalt columns on the Tone River, framed by cedar forest and vivid autumn maples.