The Nasu Volcanic Group is a volcanic region located in Tochigi Prefecture, Japan. It consists of several active and dormant volcanoes, with the most prominent being Mount Nasu. The area is known for its diverse geological features, including craters, hot springs, and scenic landscapes. This volcanic group is part of the larger Nikko National Park and attracts many visitors for hiking and sightseeing. The region's volcanic activity has shaped its unique environment, contributing to rich biodiversity and various ecosystems. The Nasu Volcanic Group is also significant for studying volcanic processes and natural history.