The hot spring water is poured directly into the bathtubs from the source, without temperature adjustment by adding water or reheating. This is visibly rare, and it is said that only a few percent of the tens of thousands of hot spring facilities exist in this manner. The water at Hoheikyo is poured directly from the underground source into each bathtub without using a storage tank, the only one of its kind in Sapporo City, meaning it is never exposed to the air. Since the water does not require chlorine or other additives, its quality remains unchanged, and its therapeutic effects are high.

Hoheikyo Onsen, an oasis rich in nature near Sapporo, offering a day-trip hot spring with 100% free-flowing source water and its famous Indian curry.