Mercure Kochi Tosa Resort & Spa is a resort hotel located in Geisei Village, Aki District, Kochi Prefecture. The open-air baths use the hotel’s own spring, Yosakoi Onsen, and provide a spacious setting inspired by Kochi’s scenic spots Katsurahama and Muroto Cape. The facility also includes a sauna and a cold plunge bath, and after enjoying a pleasant sweat you can unwind in the calm, comfortable onsen lounge.