About Onsen Sensei

Onsen Sensei is dedicated to introducing the beautiful onsen culture of Japan to people around the world. Through our comprehensive database of over 22,624 hot springs, we help everyone discover the perfect onsen experience tailored to their preferences and interests.

Hot springs are a precious cultural heritage that forms the core of Japanese tradition. Born from nature's bounty, onsens provide physical relaxation, health benefits, and spiritual peace. The ancient tradition of therapeutic bathing, passed down through generations, continues to be cherished by countless people today. We are passionate about preserving this wonderful culture for future generations and sharing it with the world.

We have meticulously researched and analyzed over 22,624 hot spring facilities across all 47 prefectures, categorizing them by features such as outdoor baths, private baths, saunas, and natural springs. To help users select the optimal onsen experience, we provide comprehensive information including pricing, access methods, and facility characteristics.

We aim to contribute to tourism industry development and regional revitalization through the digitization of onsen culture. By merging technological innovation with traditional culture, we are building a platform where more people can discover the charm of Japanese hot springs and create wonderful experiences.