The spring water here is mostly sulfurous and its mineral composition of sodium, calcium, sulfates and chlorides offers moisturizing, skin-beautifying and healing benefits. Its thermal energy stimulates both the circulatory and nervous systems. The water pressure also enhances cardiopulmonary functions.

Chikusenso's Ladies' and Gentlemen's Indoor and Outdoor Onsens are luxuriously integrated with their surroundings. The Ladies' outdoor onsens feature breathtaking views of majestic oak trees while the Gentlemen's outdoor onsen with its natural rocks and stones provide an Edenic connection with nature.