Gunma Prefecture is at the Asama Plateau, located in Tsumagoi Village, 1,000 meters above sea level. You can go around Asamayama, Onioshidashien, Karuizawa and Kusatsu Onsen for a drive of around 30 minutes. Amusement park and hot spring are within walking distance. There is a large rock from Mt. Asama in front of you.