This article organizes paranormal rumors from the forests and dense woodlands of northern Kanto, categorized not by the intensity of the experience, but by "what can be confirmed," "what cannot be confirmed," and "conditions for safe investigation." This article does not prove the existence of paranormal phenomena, nor does it recommend visiting the locations.
The existence of paranormal phenomena cannot be confirmed. The map is for assistance in finding the location only and does not indicate permission to enter or safety. Please be sure to check the opening hours, restrictions, and administrator's information on the day of your visit.
How did you organize the rumors about the forests and dense forests of northern Kanto?
Descriptions of specific supernatural occurrences, accidents, deaths, and sighting frequencies from the previous text, whose sources could not be independently verified, have not been adopted as fact. The order of listing is not based on the strength or danger level of the paranormal activity, but rather on maintaining the location order of the existing articles. The structure has been revised to allow readers to easily separate and verify names, maps, and safety conditions.
| Listing order | Place name | Location properties | Rumors covered in existing articles (unconfirmed) | Conditions to check |
|---|---|---|---|---|
| 1 | Mount Haguro (Tochigi Prefecture) | Mountains/natural terrain | Mount Haguro (Tochigi Prefecture): Unconfirmed rumors about the appearance or presence of warriors/samurai, luminous objects, and the feeling of being pursued. | Haguroyama (Tochigi Prefecture): Check weather, sunset, hiking trails, and traffic restrictions. |
| 2 | Suhana Tunnel (Tochigi Prefecture) | Tunnels and old roads | Suhana Tunnel (Tochigi Prefecture): Unconfirmed rumors about a female figure, strange occurrences with vehicles, and ghostly sightings. | Suhana Tunnel (Tochigi Prefecture): Check with the road administrator regarding passability, closed sections, and lighting. |
| 3 | Sanmei Lake (Sanmei Dam) (Gunma Prefecture) | Dams and reservoirs | Sanmei Lake (Sanmei Dam) (Gunma Prefecture): Unconfirmed rumors about hands, beckoning gestures, and human figures. | Sanmei Lake (Sanmei Dam) (Gunma Prefecture): Check the administrator's accessibility, flood control measures, and fall prevention equipment. |
| 4 | Old Usui Tunnel (near Meganebashi Bridge) (Gunma Prefecture) | Tunnels and old roads | Old Usui Tunnel (near Meganebashi Bridge) (Gunma Prefecture): Unconfirmed rumors about hands or beckoning gestures, a female figure, and the appearance of a ghost. | Old Usui Tunnel (near Meganebashi Bridge) (Gunma Prefecture): Check with the road administrator regarding passability, closed sections, and lighting. |
| 5 | Mount Haruna (around Lake Haruna) (Gunma Prefecture) | Lakes, ponds, and marshes | Mount Haruna (around Lake Haruna) (Gunma Prefecture): Unconfirmed hearsay about strange sightings of people, unusual vehicle behavior, and the feeling of being chased. | Mount Haruna (around Lake Haruna) (Gunma Prefecture): Check water levels, walking trails, nighttime closures, and fall prevention equipment. |
| 6 | Old Tsukioi Tunnel (Ibaraki Prefecture) | Tunnels and old roads | Old Tsukioi Tunnel (Ibaraki Prefecture): Unconfirmed rumors about a female figure, strange occurrences with vehicles, and the appearance of a ghost. | Former Tsukioi Tunnel (Ibaraki Prefecture): Check with the road administrator regarding passability, closed sections, and lighting. |
Listing order 1: Mount Haguro (Tochigi Prefecture)

Rumors that remained in existing articles
The existing text dealt with unconfirmed hearsay related to Mount Haguro (Tochigi Prefecture): the appearance or presence of warriors/samurai, luminous objects, and the feeling of being pursued. Since this cannot be independently confirmed in primary sources, it will be treated as hearsay linked to Mount Haguro (Tochigi Prefecture), rather than as factual occurrences or personal experiences of the supernatural.
How to read a map
In this article, Mount Haguro (Tochigi Prefecture) is categorized as a mountainous area/natural landform. The embedded map is for location assistance only and does not guarantee information on property boundaries, access hours, private property, construction, closures, or parking availability.
Check Mount Haguro (Tochigi Prefecture) on Google Maps
Checklist for safe inspection
Please check the latest information regarding weather, sunset, trail and forest road restrictions, rockfalls, wildlife, and cell phone reception. Do not attempt nighttime exploration or a test of courage; prioritize local signs and instructions from administrators over articles and maps.
Listing order 2: Suhana Tunnel (Tochigi Prefecture)

Rumors that remained in existing articles
The existing text dealt with unconfirmed hearsay regarding the Suhana Tunnel (Tochigi Prefecture): a female figure, strange occurrences with vehicles, and the appearance of a ghost. Since this cannot be independently verified through primary sources, it will be treated as hearsay linked to the Suhana Tunnel (Tochigi Prefecture), rather than as factual events or personal experiences of the supernatural.
How to read a map
In this article, the Suhana Tunnel (Tochigi Prefecture) is categorized as a tunnel/old road. The embedded map is for location assistance only and does not guarantee information on property boundaries, passable hours, private property, construction, closures, or parking availability.
Check Suhana Tunnel (Tochigi Prefecture) on Google Maps
Checklist for safe inspection
Please check the latest information from road authorities regarding road closures, blockades of mine entrances and old roads, lighting hours, and rockfall/road surface conditions. Do not attempt nighttime exploration or a test of courage; prioritize on-site signs and instructions from road authorities over articles and maps.
Listing order 3: Sanmei Lake (Sanmei Dam) (Gunma Prefecture)

Rumors that remained in existing articles
The existing text dealt with unconfirmed hearsay related to hands, beckoning gestures, and human figures at Lake Sanmei (Sanmei Dam) (Gunma Prefecture). Since this cannot be independently verified in primary sources, it will be treated as hearsay linked to Lake Sanmei (Sanmei Dam) (Gunma Prefecture), rather than as factual or personal experience of a supernatural occurrence.
How to read a map
In this article, Lake Sanmei (Sanmei Dam) (Gunma Prefecture) is categorized as a dam/reservoir. The embedded map is for location assistance only and does not guarantee property boundaries, access hours, private property, construction, closures, or parking availability.
Check Sanmei Lake (Sanmei Dam) (Gunma Prefecture) on Google Maps.
Checklist for safe inspection
Please check the latest information from the administrator regarding the separation of managed areas from publicly accessible areas, including flood levels, water releases, fall prevention fences, and parking/walking zones. Do not attempt nighttime exploration or a test of courage; prioritize on-site signs and administrator instructions over articles and maps.
4th in listing order: Old Usui Tunnel (near Meganebashi Bridge) (Gunma Prefecture)

Rumors that remained in existing articles
The existing text dealt with unconfirmed hearsay about the old Usui Tunnel (near Meganebashi Bridge) (Gunma Prefecture): something resembling a hand or beckoning, a female figure, and the appearance of a ghost. Since this cannot be independently confirmed in primary sources, it will be treated as hearsay linked to the old Usui Tunnel (near Meganebashi Bridge) (Gunma Prefecture), rather than as factual or personal experience of a supernatural occurrence.
How to read a map
The old Usui Tunnel (near Meganebashi Bridge) (Gunma Prefecture) is categorized as a tunnel/old road in this article. The embedded map is for location assistance only and does not guarantee property boundaries, access hours, private property, construction, closures, or parking availability.
Check the Old Usui Tunnel (near Meganebashi Bridge) (Gunma Prefecture) on Google Maps.
Checklist for safe inspection
Please check the latest information from road authorities regarding road closures, blockades of mine entrances and old roads, lighting hours, and rockfall/road surface conditions. Do not attempt nighttime exploration or a test of courage; prioritize on-site signs and instructions from road authorities over articles and maps.
5th in listing order: Mount Haruna (around Lake Haruna) (Gunma Prefecture)

Rumors that remained in existing articles
The existing text dealt with unconfirmed hearsay related to Mount Haruna (around Lake Haruna) (Gunma Prefecture): strange sightings of people, unusual occurrences with vehicles, and the feeling of being chased. Since this cannot be independently verified in primary sources, it will be treated as hearsay linked to Mount Haruna (around Lake Haruna) (Gunma Prefecture), rather than as factual occurrences or personal experiences of the supernatural.
How to read a map
In this article, Mount Haruna (around Lake Haruna) (Gunma Prefecture) is categorized as a lake, pond, or marsh. The embedded map is for location assistance only and does not guarantee property boundaries, access hours, private property, construction, closures, or parking availability.
View Mount Haruna (around Lake Haruna) (Gunma Prefecture) on Google Maps.
Checklist for safe inspection
Please check the latest information from the administrator regarding water levels, trail opening status, nighttime closures, footing, and fall prevention equipment. Do not attempt nighttime exploration or a test of courage; prioritize on-site signs and administrator instructions over articles and maps.
Listing order 6: Old Tsukioi Tunnel (Ibaraki Prefecture)

Rumors that remained in existing articles
The existing text dealt with unconfirmed hearsay regarding the Old Tsukioi Tunnel (Ibaraki Prefecture): a female figure, strange occurrences with vehicles, and the appearance of a ghost. Since this cannot be independently verified in primary sources, it will be treated as hearsay linked to the Old Tsukioi Tunnel (Ibaraki Prefecture), rather than as factual events or personal experiences of the supernatural.
How to read a map
The former Tsukioi Tunnel (Ibaraki Prefecture) is categorized as a tunnel/old road in this article. The embedded map is for location assistance only and does not guarantee property boundaries, passable hours, private property, construction, closures, or parking availability.
Check the former Tsukioi Tunnel (Ibaraki Prefecture) on Google Maps.
Checklist for safe inspection
Please check the latest information from road authorities regarding road closures, blockades of mine entrances and old roads, lighting hours, and rockfall/road surface conditions. Do not attempt nighttime exploration or a test of courage; prioritize on-site signs and instructions from road authorities over articles and maps.
Things you can learn from comparing them
Darkness, echoes, water sounds, wind, old structures, and poor visibility can all intensify feelings of unease or unease. However, these alone do not prove the existence of paranormal phenomena. It is important not to treat the impression of a place as the same as the verifiable conditions under which it can be used.
FAQ
If it's shown on the map, can I enter freely?
No. Inclusion on a map and permission to enter are separate things. It may be private property, a controlled area, a closed section, or off-limits at night.
If there are many rumors, does that constitute evidence of a paranormal phenomenon?
No, that's not acceptable. The amount of information and fact-checking are two different things. Any information that cannot be confirmed through primary sources or administrator information will be treated as unconfirmed.
Are there ways to enjoy it without actually going there?
You can compare publicly available documents and maps to investigate local history and the background of structures. There is no need to travel to dangerous times or locations.
Update policy and information provision
Map display and publication conditions may change. If you notice any errors, closures, name changes, etc., please let us know.inquiryPlease let us know. We will only update information that we have been able to confirm, and we will not turn rumors into facts.
Enjoy horror safely at home
How to read this article and safety precautions
" [2026 Latest] 6 Locations in the Forests and Aokigahara Areas of Northern Kanto with Rumors of Paranormal Activity | Organized with Maps and Safety Information This is an article compiled by the Horror Tales File editorial team as a story, based on publicly available information, rumors circulating in the community, and information submitted by readers. It does not definitively state the authenticity of paranormal phenomena.
- We do not recommend visiting restricted areas, private property, abandoned buildings, or dangerous locations at night.
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