In Japan, there are special monkeys. They are called Japanese macaques. They live in the mountains. The winter is very cold there. Snow falls a lot. The monkeys found a warm place. It is a hot spring. The water is warm from the ground. The monkeys sit in the water. They look very happy. Steam rises around them. Their faces are pink. The snow falls on their heads. They do not move. They just relax. The hot spring is in Jigokudani Park. The name means "Hell Valley." Steam and boiling water come from the ground. But the monkeys love it. At first, only one monkey went in. Others watched. Then they all learned. Now, many monkeys bathe every winter. Tourists visit to see them. People are not allowed to touch them. The monkeys use the hot spring as their private spa. It is a beautiful sight. The monkeys teach us to enjoy simple things.
📖 Level 2 – Intermediate
High in the Japanese Alps, in a valley where steam rises from cracks in the frozen earth, lives a troop of monkeys that has become world-famous for a charming winter habit. They are Japanese macaques, also called snow monkeys, and every winter they soak in natural hot springs to escape the bitter cold. Their home is Jigokudani Yaen-koen, or Jigokudani Monkey Park, in Nagano Prefecture. The name Jigokudani translates to "Hell Valley," a reference to the boiling water and steam vents that dot the volcanic landscape. Temperatures in winter can drop below minus 15 degrees Celsius, and deep snow blankets the area for months. The monkeys' bathing tradition began in 1963. A young female macaque noticed the warm water of an outdoor hot spring and climbed in. Soon, other monkeys copied her behaviour. Before long, the entire troop had learned to bathe. The park management eventually built a dedicated pool just for the monkeys, separate from the human baths. Now, every winter, tourists from around the world photograph these relaxed primates as snowflakes settle on their thick fur. The macaques groom each other, close their eyes, and seem to meditate in the steaming water. It is a unique example of cultural learning in non-human animals, and a reminder of how creatures can adapt creatively to their environment.
📖 Level 3 – Advanced
Nestled within the frigid volcanic terrain of Nagano Prefecture, Jigokudani Monkey Park has become synonymous with one of the most endearing wildlife spectacles on Earth — Japanese macaques luxuriating in steaming hot springs while snow piles up on their heads. This behaviour, now a globally recognised symbol of Japanese nature tourism, offers more than just a photogenic moment; it represents a documented case of socially transmitted cultural practice in a non-human primate species. Japanese macaques, or Macaca fuscata, are the northernmost-living wild primates aside from humans. Their home in Hell Valley is brutally cold, with winter temperatures plummeting far below freezing and snowfall persisting for months. In 1963, a young female monkey tentatively entered a thermal pool and appeared to derive immediate comfort. What began as a single individual's innovation gradually spread through observation and imitation, first among juveniles, then through the troop's hierarchical social structure. This diffusion of a novel behaviour perfectly illustrates the phenomenon of cultural transmission. The park later constructed a monkey-exclusive hot spring, partly driven by hygiene concerns for human bathers, which further embedded the practice. Today, generations of macaques are born into a social group where hot spring bathing is an established winter tradition. Researchers note that dominant individuals enjoy prime spots in the thermal waters, while subordinates wait patiently at the edges. The bathing serves both thermoregulatory and social functions, reducing stress and fostering troop cohesion. Beyond its charm, this iconic scene underscores the intelligence and adaptability of a species that has carved a lifestyle from an unforgiving alpine environment. It is, quite simply, a warm-hearted spectacle in the coldest of settings.
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