Watch japanese snow monkeys soak in hot springs at jigokudani monkey park in nagano this day trip from tokyo by bullet train starts with a guided tour of zenko ji a 7th century temple designated as a national treasure afterward spend an hour snapping photos of the bathing snow monkeys this seasonal day trip runs from january to april and is limited to 15 people to ensure a small group experience important please note we are currently sold out please check back by october 2015 for the r