Yakushima

Yakushima is a subtropical island lying 60 kilometers south of Kyushu, Japan, where ancient forests of cryptomeria cedar blanket steep mountains rising directly from the sea to heights exceeding 1,900 meters, creating one of the wettest places in Japan.

The island supports a diverse array of wildlife, including several endemic species. The most notable is the Yakushima macaque (Macaca fuscata yakui), a subspecies of Japanese macaque found only on the island. The Yakushima deer (Cervus nippon yakushimae) is another endemic subspecies that can be frequently encountered. The island is also an important habitat for sea turtles, with loggerhead turtles nesting on its beaches. Over 150 bird species have been recorded on Yakushima, including the Ryukyu robin and the Japanese wood pigeon, making it a significant destination for birdwatchers.

Yakushima is renowned for its ancient cedar forests, known as Yakusugi (cedars over 1,000 years old), which dominate the island's higher elevations. The island hosts over 1,900 plant species, including 94 endemic species, ranging from subtropical coastal vegetation to cool temperate plants at higher altitudes. The forest zones are clearly defined by elevation, with broadleaf evergreen forests in lower areas transitioning to coniferous forests higher up. The island is also home to numerous moss species, rhododendrons, and unique alpine plants, creating an environment that inspired the forest scenes in the animated film 'Princess Mononoke.'

The island was formed through volcanic activity approximately 14 million years ago and is dominated by granite mountains, with the highest peak being Mt. Miyanoura at 1,936 meters. This makes Yakushima the highest island in southern Japan. The landscape features deeply carved valleys, numerous waterfalls, and distinctive rounded granite formations created by erosion over millions of years. The island's steep topography creates dramatic elevation changes from sea level to mountain peaks within a relatively small area, contributing to its diverse ecosystems and microclimates.

Yakushima experiences a unique subtropical climate with exceptionally high rainfall, earning it the nickname 'Island of Rain.' The island receives between 4,000-10,000mm of precipitation annually, making it one of Japan's wettest locations. Temperatures remain mild year-round, ranging from around 13°C in winter to 28°C in summer, though conditions can be significantly cooler in the mountainous interior. The best visiting period is typically from March to May or October to November when rainfall is relatively lower and temperatures are most comfortable. However, visitors should always be prepared for sudden rain showers regardless of season.

Yakushima has been revered as a sacred island since ancient times, with its giant cedars playing a crucial role in Japanese spirituality and culture. The island was historically important for its forestry industry, particularly during the Edo period (1603-1868) when its valuable cedar wood was harvested for construction projects across Japan. In 1993, Yakushima became Japan's first UNESCO World Heritage site, recognized for its unique ecosystem and ancient forests. The island's most famous cedar, Jōmon Sugi, is estimated to be between 2,170 and 7,200 years old and has become a symbol of Japan's natural heritage.

Yakushima has been inhabited for thousands of years, with the ancient cedar forests considered sacred and largely avoided except for selective logging of already-dead trees.

The most famous attraction is the ancient Jōmon Sugi cedar tree, accessible via a challenging hiking trail. Shiratani Unsuikyō Ravine offers easier hiking opportunities and was the inspiration for 'Princess Mononoke.' The island features numerous waterfalls, including Oko-no-taki Falls, one of Japan's highest at 88 meters. The Yakusugi Land is a more accessible area showcasing several ancient cedars with boardwalks and educational displays. The island's hot springs (onsen), particularly those along the coast where thermal waters meet the ocean, provide unique bathing experiences. The UNESCO World Heritage site designation covers roughly 21% of the island, protecting its most pristine natural areas.

Yakushima is accessible by ferry or hydrofoil from Kagoshima on Kyushu, with the journey taking 2-4 hours depending on the vessel, or by small aircraft to Yakushima Airport.

Conservation on Yakushima balances protecting the ancient forests and unique biodiversity with managing heavy visitor impacts concentrated on popular trails.