Aokigahara Forest
E903773
Aokigahara Forest is a dense woodland at the base of Mount Fuji in Japan, known for its lava caves, quiet, maze-like terrain, and long-standing reputation as a place associated with mystery and suicide.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Aokigahara Forest canonical | 2 |
| Aokigahara forest | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11081485 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Aokigahara Forest Context triple: [Lake Sai, hasNearbyForest, Aokigahara Forest]
-
A.
Odaigahara Plateau
Odaigahara Plateau is a high-altitude, misty mountain plateau in Japan known for its ancient forests, heavy rainfall, and scenic hiking trails.
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B.
Kasugayama Primeval Forest
Kasugayama Primeval Forest is an ancient, sacred woodland in Nara, Japan, renowned for its undisturbed ecosystem and deep cultural and religious significance.
-
C.
Negishi Forest Park
Negishi Forest Park is a spacious, tree-filled public park in Yokohama known for its walking paths, open lawns, and scenic views over the city.
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D.
Yamadera
Yamadera is a historic mountainside temple complex in Japan’s Tohoku region, famed for its scenic cliffside halls and panoramic valley views.
-
E.
Mount Yoshino
Mount Yoshino is a famous mountain in Japan renowned for its thousands of cherry trees that attract large numbers of visitors during the spring blossom season.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Aokigahara Forest Target entity description: Aokigahara Forest is a dense woodland at the base of Mount Fuji in Japan, known for its lava caves, quiet, maze-like terrain, and long-standing reputation as a place associated with mystery and suicide.
-
A.
Odaigahara Plateau
Odaigahara Plateau is a high-altitude, misty mountain plateau in Japan known for its ancient forests, heavy rainfall, and scenic hiking trails.
-
B.
Kasugayama Primeval Forest
Kasugayama Primeval Forest is an ancient, sacred woodland in Nara, Japan, renowned for its undisturbed ecosystem and deep cultural and religious significance.
-
C.
Negishi Forest Park
Negishi Forest Park is a spacious, tree-filled public park in Yokohama known for its walking paths, open lawns, and scenic views over the city.
-
D.
Yamadera
Yamadera is a historic mountainside temple complex in Japan’s Tohoku region, famed for its scenic cliffside halls and panoramic valley views.
-
E.
Mount Yoshino
Mount Yoshino is a famous mountain in Japan renowned for its thousands of cherry trees that attract large numbers of visitors during the spring blossom season.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
forest
ⓘ
natural landscape ⓘ tourist attraction ⓘ |
| alternativeName |
Aokigahara Jukai
NERFINISHED
ⓘ
Sea of Trees NERFINISHED ⓘ |
| area |
about 14 square miles
ⓘ
about 35 square kilometers ⓘ |
| climateFeature |
high humidity
ⓘ
relatively cool temperatures ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| culturalAssociation |
Japanese folklore
ⓘ
ghost stories ⓘ yūrei (restless spirits) ⓘ |
| featuredIn |
books about suicide in Japan
ⓘ
documentaries about mental health and suicide ⓘ |
| geologicalOrigin | formed on lava flows from Mount Fuji ⓘ |
| hasJapaneseName | 青木ヶ原樹海 ⓘ |
| knownFor |
association with suicide
ⓘ
dense undergrowth ⓘ lava caves ⓘ maze-like paths ⓘ mysterious atmosphere ⓘ quiet atmosphere ⓘ reputation for being haunted ⓘ |
| lavaFlowOrigin | 864 CE eruption of Mount Fuji ⓘ |
| locatedAtBaseOf | Mount Fuji NERFINISHED ⓘ |
| locatedIn |
Honshu
ⓘ
Yamanashi Prefecture NERFINISHED ⓘ |
| locatedOn | northwestern flank of Mount Fuji ⓘ |
| managedBy | local authorities in Yamanashi Prefecture ⓘ |
| nameMeaning |
Aokigahara means "blue tree meadow" in Japanese
NERFINISHED
ⓘ
Jukai means "sea of trees" in Japanese NERFINISHED ⓘ |
| navigationDifficulty | high ⓘ |
| navigationHazard |
lack of clear landmarks
ⓘ
magnetic interference in some areas ⓘ |
| notableCave |
Fugaku Wind Cave
NERFINISHED
ⓘ
Lava caves of Mount Fuji foothills ⓘ Narusawa Ice Cave NERFINISHED ⓘ |
| safetyMeasure |
contact information for counseling services
ⓘ
warning signs about suicide ⓘ |
| soilType | porous volcanic rock ⓘ |
| terrainFeature |
lava caves
ⓘ
lava rock ⓘ maze-like layout ⓘ uneven ground ⓘ |
| terrainType | dense woodland ⓘ |
| timeZone | Japan Standard Time ⓘ |
| tourismActivity |
guided cave tours
ⓘ
hiking ⓘ nature walks ⓘ |
| vegetationType |
broadleaf trees
ⓘ
coniferous trees ⓘ evergreen forest ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Aokigahara Forest Description of subject: Aokigahara Forest is a dense woodland at the base of Mount Fuji in Japan, known for its lava caves, quiet, maze-like terrain, and long-standing reputation as a place associated with mystery and suicide.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Aokigahara forest