Ibusuki is a city in southwest Japan. It’s known for hot springs like Ibusuki Onsen, which has black-sand spas. Tamatebako Onsen’s outdoor bath looks out onto the sea. Kaimondake volcano has views of Cape Sata and Kinko Bay. Flower Park Kagoshima is home to hundreds of plant species. Lake Ikeda is another popular spot for seasonal flowers. Uninhabited Chiringashima Island has a promenade for nature observation.