Mount Nantai is an active stratovolcano located in Tochigi Prefecture, Japan. It stands at 2,486 meters (8,156 feet) and is part of the Nikko National Park. The mountain is known for its symmetrical cone shape and is a popular destination for hikers and nature enthusiasts. The last significant eruption of Mount Nantai occurred in 1702, and since then, it has been closely monitored for volcanic activity. The area surrounding the mountain features beautiful landscapes, including lakes and hot springs, making it a popular spot for tourists visiting the Nikko region.