Here's the Real Reason Japanese Macaques Love Hot Springs Researchers at Kyoto University in Japan In a study published in the journal Primates, A stress hormone in the samples was tested and revealed ...

The snow monkeys' onsen practice isn't solely about warming their bodies or bobbing for apples -- like the Japanese and visitors to Japan, they seem to appreciate onsen for its stress-reducing ...

Since the monkeys don't swim every day (in spite of their warm fur coats, they seem to prefer the hot springs on colder days), visitors will want to plan accordingly before heading north to the park.