Aokigahara
青木ヶ原
Aokigahara (青木ヶ原, 'Aucuba Tree Meadow'), also known as the Sea of Trees (樹海, Jukai), is a forest on the northwestern flank of the Mount Fuji on the island of Honshu in Japan, thriving on 30 square kilometres (12 sq mi) of hardened lava laid down by the last major eruption of Mount Fuji in 864 CE. The western edge of Aokigahara, where there are several caves that fill with ice in winter, is a popular destination for tourists and school trips. Parts of Aokigahara are very dense, and the porous lava rock absorbs sound, contributing to a sense of solitude that some visitors attribute to the forest. The forest has a historical reputation as a home to yūrei: ghosts of the dead in Japanese mythology. At least since the 1960s, Aokigahara has become associated with suicide, eventually becoming known in English by the nickname "Suicide Forest" and gaining a reputation as one of the world's most-used suicide sites. Because of this, signs at the head of some trails urge suicidal visitors to think of their families and contact a suicide prevention association.
History & Cultural Significance
Aokigahara, known as the Sea of Trees, is a mysterious and hauntingly beautiful forest that lies on the northwest slope of Mount Fuji. The area was formed by the volcanic eruption of Mount Fuji in 864 CE, creating a vast expanse of hardened lava that now supports dense vegetation. This unique landscape has long been steeped in folklore and cultural significance, with local legends speaking of spirits and hidden dangers.
Despite its natural beauty, Aokigahara has also become infamous for its association with suicide, a dark chapter that has drawn both attention and concern. Local authorities have worked to address this issue through increased patrols and awareness campaigns, aiming to preserve the forest's tranquility while ensuring visitor safety.
What to See & Do
Visitors to Aokigahara can explore its winding trails that lead through the thick forest, where the silence is almost palpable and the air feels cool and still. The western edge of the forest is particularly notable for its ice caves, which are accessible during the winter months and offer a surreal contrast to the surrounding wilderness.
For those seeking a more adventurous experience, the area provides opportunities for hiking, photography, and nature observation. The forest is home to a variety of wildlife, including deer and birds, and its unique geological features make it a fascinating destination for geology enthusiasts.
Atmosphere & Experience
Walking through Aokigahara is an otherworldly experience—its dense canopy blocks out much of the sunlight, casting long shadows across the forest floor. The eerie stillness and the occasional sound of rustling leaves create a sense of isolation that is both mesmerizing and humbling. It’s a place where time seems to slow down, and the weight of history lingers in the air.
Insider Tips
Avoid visiting Aokigahara alone; always travel with a companion or join a guided tour to ensure your safety and enhance your experience.
Check the weather forecast before heading out—thick fog or rain can make navigation difficult and increase the risk of getting lost.
Quick Facts
2–3 hours
Free
Local Tips
- Visit early in the morning to avoid crowds and enjoy the forest at its most serene.
- Carry a map and compass, as GPS signals can be unreliable in the dense forest.
- Respect the environment and follow all posted guidelines to help preserve this unique natural wonder.
- Be mindful of local sensitivities regarding the forest's tragic reputation and avoid discussing it openly in public areas.
When to Visit
Jan
3°C
Winter snow-covered forest
Feb
4°C
Snowy trails and ice caves
Mar
7°C
Early spring exploration
Apr
12°C
Cherry blossom season nearby
May
16°C
Greenery and hiking season
Jun
20°C
Rainy season with lush greenery
Jul
24°C
Summer hikes and night walks
Aug
26°C
Fireworks and festivals in nearby areas
Sep
23°C
Late summer and typhoon risk
Oct
17°C
Autumn foliage begins
Nov
11°C
Peak autumn colors and cooler weather
Dec
5°C
Winter illuminations and quiet forest
Updated yesterday
What Travelers Say
Real experiences from people who visited Aokigahara.