Japan is home to 27,000 hot springs sources, but overtourism has reduced some of the country’s onsen water supply to a record ...

Japan's famous natural hot springs, or onsens, are facing a crisis due to overtourism, which is dangerously depleting water ...

But not every pool of heated water qualifies as an onsen. Japan has strict laws governing one of the country’s most iconic activities, widely considered a natural treasure. Onsen water is heated ...