This planet is brimming with spectacular natural beauty. You'll find some of it at Isobe Onsen, famous for its natural, bubbling waters.
If you're staying a while in Annaka, Isobe Onsen is a fine place to kick off your sightseeing. This naturally heated water source is one of many attractions that'll keep you on the hop here. Gunma Safari Park, Tomioka Silk Mill, and Gunma Museum of Natural History are also waiting to be discovered close by.