A hot spring resort with one of the largest volumes of hot spring water in the prefecture, thriving as a base for sightseeing to the UNESCO World Heritage Kumano Kodo and Nachi Falls. With many hot springs that take advantage of the spectacular ria coastline facing the Pacific Ocean, its signature attraction is the grand cave bath Bokidō, where hot spring water springs up inside a natural giant cave. Its immense scale delivers an overwhelming experience found nowhere else. It is also home to Katsuura Port, which boasts Japan's No. 1 landing volume of fresh bluefin tuna, making this a hot spring resort with everything foreign visitors love: World Heritage sightseeing, an astonishing cave bath, and top-quality seafood.