Gunma, one of the main prefectures of Honshu Island, landlocked with famous hot springs and ski areas. The small town of Kusatsu has more than 100 hot springs, most famously Yubatake, a large pool fed by steaming mineral water gushing down a wooden chute. Set 1,200 meters above sea level, Kusatsu also has skiing and hiking trails. Gunma specializes in the high-quality hot springs and beautiful mountains, such as Kusatsu Onsen, Ikaho Onsen, Minakami Onsen and Manza Onsen. Let's check out the best 30 places to go and things to do in Gunma.