Offering an inviting traveler experience and upscale décor, 4-star hotels are a fantastic option for your Kira Onsen trip. These kinds of accommodations generally come with loads of handy amenities that make it easy to unpack and relax — think pillowtop mattresses, restaurants and pools. Or live the high life at a 5-star hotel designed to indulge you in luxury perks and amenities. On-site health clubs, oversized bathrooms and world-class dining are typically included at these swanky retreats.