[2026 Latest] Top 3 Paranormal Rumors Ranking Based on Rumors and Management Records of 3 Parks in Nagano Prefecture

Rumors linking animal spirits, nighttime noises, past incidents, and the parks' long history have been posted about parks in Nagano Prefecture. This article focuses on Kawanakajima Ancient Battlefield Historical Park, Shiroyama Park, and Garyu Park, directly examining external rumor-posting pages and cross-referencing them with publicly available documents from Nagano City, Matsumoto City, and Suzaka City. Even if the existence and history of the parks can be confirmed, this does not necessarily prove any individual paranormal phenomena or incidents.

Survey methods and evaluation criteria

For each location, we directly obtained one external rumor page matching the region and name, and one official page of the local government, and then broke down the specific claims written on the pages into atomic units. "Match" means the core claim is supported by the source material, "Partial Match" means a mix of supported and unconfirmed claims, "Discrepancy" means there are direct discrepancies in the target, local government name, date, etc., and "Unmeasurable" means there are no comparable records. "New Facts" is limited to cases where meaningful public discoveries not present in the rumor do not overwrite the comparative judgment. The ranking and source quality score are based on the sum of source transparency (30), historical/spatial context (25), safety information (20), freshness of information (15), and rumor source transparency (10), and do not score the truthfulness of the fear or paranormal phenomena. The maps link the coordinates indicated on the rumor pages to Google Maps URLs with the same location names.

1st Place: Kawanakajima Battlefield Historical Park | Partial Match (85 points)

The rumored details

The Kawanakajima Ancient Battlefield Historical Park page on the National Haunted Map describes the site as a place where "animal spirits appear" and explains that it was the site of the Battle of Kawanakajima, where Takeda Shingen and Uesugi Kenshin clashed. It further states that over 6,000 lives were lost there, that a burial mound exists, and that sounds of armor clanging and men's shouts can be heard at night. This is a concrete example of rumors and legends that have been published, and should not be treated as an official record confirming the occurrence of such events.

Source of the rumor and date of verification

The verification date is 2026-10-02. The external source of the rumor is an individual page on the National Haunted Map, updated on 2025/09/08, which lists the region, address, rumor, and personal experience on the same page. Because the page itself warns that "primary information is lacking" and "contains unconfirmed content," it is treated as a secondary publication example where the original source cannot be determined. It is published by a different entity than the official park guide of Nagano City, and is a source for confirming the existence and content of the rumor.

• National Haunted Map - Kawanakajima Battlefield Historical Park(Confirmed on 2026-10-02) — Paranormal phenomena rumored to occur at Kawanakajima Ancient Battlefield Historical Park. Animal spirits are said to appear. This park and the surrounding area were the site of the Battle of Kawanakajima, where Takeda Shingen and Uesugi Kenshin clashed. It is said that over 6,000 lives were lost in this battle, and within the park there is a burial mound where the remains of the fallen soldiers, both friend and foe, were respectfully interred. It is said that at night, the sound of armor clanging and men shouting can be heard here.

Things that could be confirmed from official and primary source materials

The official Nagano City website uses a different spelling than the "Kawanakajima Ancient Battlefield Historical Park" used on the rumor page, officially stating the park's name as "Kawanakajima Ancient Battlefield Historical Site Park." It explains that the park was established on the site of the famous Kawanakajima battlefield, where Takeda Shingen and Uesugi Kenshin fought, and features a 12,000 square meter hill-shaped lawn area, a babbling brook, a gazebo, and a municipal museum. It also states that the park is located at 1384-1 Kojimada-cho, Nagano City, and that its name was changed from "Hachimanbara Historical Site Park" on July 1, 2017. There are no descriptions to support claims of animal spirits, burial mounds, sounds of armor, or battle cries.

• Nagano City Official - Kawanakajima Battlefield Historical Park(Confirmed on 2026-10-02) — Kawanakajima Ancient Battlefield Historical Park. A park established on the site of the Kawanakajima Ancient Battlefield, famous for the battle between Takeda Shingen and Uesugi Kenshin. The park features a 12,000 square meter hill-shaped lawn area, a babbling brook with natural stones, and a thatched-roof gazebo.

Points of agreement/contradictions

What they agree on is the general framework: the historical setting of the battle between Takeda Shingen and Uesugi Kenshin, as described in the rumors, and the official description of it as a park on the site of the Kawanakajima battlefield. However, the rumors of "animal spirits appearing," the burial mound, the sound of armor, and the battle cries cannot be confirmed from official documents. The addresses also do not match, with the rumored address being 1415 Kojimada-cho, Nagano City, and the official address being 1384-1, and the names differ, being a historical park and a historical site park. This only supports the historical background and does not constitute support for the supernatural occurrences or specific locations.

The rumored atomic claim	Matching results	reason	Corresponding documents
The site of the Battle of Kawanakajima, where Takeda Shingen and Uesugi Kenshin clashed.	support	The Nagano City official website also explains that the park was established on the site of the famous Kawanakajima battlefield, where Takeda Shingen and Uesugi Kenshin fought, thus supporting the idea that it is a historical site.	Nagano City Official - Kawanakajima Battlefield Historical Park
Animal spirits appear	Unconfirmed	The official Nagano City facility and park guide contains no records confirming sightings or occurrences of animal spirits, and the information on the rumors page alone cannot support the occurrence of the phenomenon.	No official data available for direct comparison.
In the middle of the night, you can hear the clanging of armor and men's shouts.	Unconfirmed	The official website does not contain any records, recordings, or third-party verifications of nighttime sounds or roars, so the legends posted cannot be considered the same as actual occurrences of these sounds.	No official data available for direct comparison.

Alternative interpretation

The nighttime sounds at the war memorial park could be caused by normal factors such as wind, animals, visitors, and equipment, but these are not considered due to the lack of recordings from that night or on-site conditions. The conclusion that the sounds are animal spirits cannot be derived solely from the published text and the existence of the votes. The legends concerning the burial mound are also treated separately as claims distinct from the official explanation of the park facilities.

Scope and limitations of the investigation

The information checked was from a rumor page and the official park guide of Nagano City. We did not obtain the history of the burial mound, the number of people (over 6,000), nighttime recordings, or original records of animal sightings. Because the official page and the rumor page have different names and addresses, we cannot definitively conclude that they cover the same park area. Furthermore, this is not a comprehensive investigation of incident records or historical materials covering the entire battlefield.

Verification results: Partial match

Of the rumors surrounding the Kawanakajima Battlefield Historical Park, the general framework of it being the setting for the Battle of Kawanakajima partially overlaps with the official explanation from Nagano City, so it was considered a partial match. However, rumors of animal spirits, a burial mound, the sounds of armor, and war cries remain unconfirmed, and there are also differences in names and addresses. The verification of historical sites was not extended to confirm the supernatural occurrences, and only the supported parts were reflected in the judgment.

Document Quality Score

Source transparency	27/30	By separating the rumor page from the official Nagano City website, we can directly verify the information and record any differences in names and addresses with their sources.
Historical and spatial context	23/25	The official site provides a detailed explanation of the history of the Kawanakajima battlefield and the park facilities, allowing for a limited comparison with the rumored background.
Safety information	17/20	This allows users to refer to the city's official parking lot operating hours and facility information, which can help them avoid entering the parking lot at night.
Newness of information	13/15	The official website was updated in September 2026, but the rumored past sounds and legends cannot be confirmed as being relevant to the present day.
Transparency of the source of rumors	5/10	While the rumors describe specific sounds and objects, they do not indicate the primary source, initial appearance, or location of any recordings.
total	85/100	This is the overall quality of the materials. It does not represent the degree of truthfulness or danger associated with the supernatural phenomena.

Safety information and maps

Check the official Nagano City parking hours and on-site information, and avoid entering at night or trespassing on private property or restricted areas. Do not damage historical sites or parks, avoid congestion and disturbing local residents, and check the latest management information before visiting. Do not approach the area around the burial mound without permission to verify rumors, or linger for extended periods for recording purposes.

Map location: This is a representative point using the publicly available Google Maps coordinates shown on the rumor page, and does not identify the adjacent park or the source of the rumored sound from the official page.

Check the area around Kawanakajima Ancient Battlefield Historical Park on Google Maps.

2nd Place: Shiroyama Park | Mismatch (83 points)

The rumored details

The Shiroyama Park page on the National Haunted Map lists rumors of "a female ghost appearing" and "rapping sounds being heard," and states that "it is the oldest park in Nagano City, established in 1900 to commemorate the celebrations of Emperor Taisho." It also lists other claims such as "paranormal phenomena are often reported from the observation deck," "it used to be an execution ground," and "there are sounds of people climbing the stairs even though no one is there." These are claims made on the page and should be treated separately from confirmed incident records.

Source of the rumor and date of verification

The verification date is 2026-10-02. The source of the rumor is the Matsumoto City individual page on the National Haunted Map, updated on 2026/05/03, listing characteristics such as a female ghost, rapping sounds, and an execution ground. There are 0 personal accounts, and the incident/accident news is displayed as "No news available," and the first appearance of the claims or any official records are not indicated. Since the publishing entity is different from the official Matsumoto City cultural property and park guide, it is cited as an example of secondary publication.

• National Haunted Map - Shiroyama Park(Confirmed on 2026-10-02) — Paranormal phenomena rumored to occur at Shiroyama Park. A female ghost appears. Rapping sounds can be heard. This is the oldest park in Nagano City, established in 1900 to commemorate the celebration of Emperor Taisho. Many paranormal phenomena are reported at the observation deck. It was formerly an execution ground. Sounds of people climbing the stairs can be heard even though no one is there.

Things that could be confirmed from official and primary source materials

The official Matsumoto City website designates Shiroyama Park as a Matsumoto City Special Place of Scenic Beauty, stating the designation date as January 28, 2020, the type as a park, its location as part of 1219 and 1221-2 Arigasaki, Matsumoto City, and the owner as the national government (managed by the city). Its origin is said to be the planting of trees on the site of Inukai Castle in 1842 as a token of gratitude for a celebration, and its opening to the local people. It is explained that it was one of the first parks designated in present-day Nagano Prefecture in October 1875. The "oldest park in Nagano City" mentioned on the rumor page does not match in terms of the municipality name or the description of its history. There is no mention of a female ghost, rapping sounds, or an execution ground.

• Matsumoto City Official - Shiroyama Park(Confirmed on 2026-10-02) — Monument commemorating the establishment of Shiroyama Park. Designation classification: Matsumoto City Special Place of Scenic Beauty. Date of designation: January 28, 2020. Type: Park. Location: Part of 1219 and 1221-2 Arigasaki, Matsumoto City. Owner: National Government (managed by the city).

Points of agreement/contradictions

The official Matsumoto City website and the rumored page agree on the general premise that Shiroyama Park is a park and a place with a long history. However, the rumor that it is "the oldest park in Nagano City" directly contradicts the official website's description that it is located in Matsumoto City and was one of the first parks designated in what is now Nagano Prefecture in 1875. The female ghost, rapping sounds, execution ground, and sounds on the stairs cannot be confirmed from official documents, and the historical coincidence does not translate into support for the supernatural occurrences.

The rumored atomic claim	Matching results	reason	Corresponding documents
The oldest park in Nagano City	contradiction	The official Matsumoto City website states that the location is Matsumoto City and explains that it was one of the first parks designated in what is now Nagano Prefecture in 1875, which contradicts the name of the municipality and wording in the rumored article.	Matsumoto City Official - Shiroyama Park
A female ghost appears	Unconfirmed	The official Matsumoto City designation, history, and park guide contain no records to support sightings or phenomena of a female ghost, and the occurrence cannot be confirmed based solely on the rumor.	No official data available for direct comparison.
It used to be an execution ground.	Unconfirmed	The official explanation of the history of Inukai Castle ruins, its designation as a park, and the planting of trees does not include any records of it being an execution ground, and therefore, based solely on the current materials, it is not possible to determine whether or not it was an execution ground.	No official data available for direct comparison.

Alternative interpretation

The mention of "Nagano City" on the rumor page may be a mistake for Matsumoto City, or an editing error during the reposting process. Sounds from the observation deck and stairs could be caused by wind, visitors, or sounds from buildings and trees, but the cause should not be determined without on-site observation. The execution ground theory should not be accepted as fact without official records, and historical documents and ghost stories should be read separately.

Scope and limitations of the investigation

I compared the official Matsumoto City cultural property and park guide with the rumor page, but I did not verify the official history of the execution ground, the original eyewitness accounts of the woman, the recording of the rapping sounds, or the usage status of the observation deck by time. The park's designation and history documents are not evidence to determine the rumored strange occurrences, and it is not possible to determine when the errors in the published text occurred.

Verification result: Mismatch

While the existence and long history of Shiroyama Park as a park can be officially confirmed, the claim that it is "the oldest park in Nagano City," as mentioned in the rumors, does not match the official location and history of Matsumoto City, and was therefore deemed inconsistent. This conclusion is limited to the directly contradictory claims regarding history and place names, and does not negate the existence of female ghosts or rapping sounds.

Document Quality Score

Source transparency	27/30	By separating Matsumoto City's official designated historical documents from rumors, it's possible to even show the direct differences in the names of the municipalities.
Historical and spatial context	23/25	The castle ruins, the park designation, the origins of the tree planting, and the history of the designation within Nagano Prefecture can be specifically confirmed in official documents.
Safety information	14/20	While the administrator and the park's location can be confirmed, the official page does not provide detailed information about the operating hours.
Newness of information	14/15	The rumor page was updated in 2026, and the official page also shows its update date, but the recency of the rumor's origin remains unclear.
Transparency of the source of rumors	5/10	The rumor's claims are specific, but it fails to present any incident records, eyewitness accounts, first appearances, or audio evidence.
total	83/100	This is the overall quality of the materials. It does not represent the degree of truthfulness or danger associated with the supernatural phenomena.

Safety information and maps

Prioritize Matsumoto City's management information and on-site signage, refrain from making noise at the observation deck or on the park paths, and be mindful of nighttime access restrictions and the impact on surrounding residences. Avoid digging in the ground to verify the execution site theory, entering restricted areas, or photographing other visitors, and adhere to the normal park usage guidelines.

Map location: This is a representative point using the publicly available Google Maps coordinates shown on the rumor page, and does not pinpoint the observation deck within the park or the source of the rumored sound.

Check the area around Shiroyama Park on Google Maps.

3rd place: Garyu Park | Unmeasurable (77 points)

The rumored details

The Garyu Park page on the National Haunted Map lists "rapping sounds can be heard" as a rumor, and includes stories of a body being dumped at Benten Pond, a hanging on top of an ancient burial mound, and an explanation that rapping sounds can sometimes be heard at night. On the other hand, the beginning of the page also explains that although there have been no ghost sightings or paranormal phenomena, it is called a haunted spot due to its eerie atmosphere. This is a description of the content published on the site and does not constitute official confirmation of any incidents.

Source of the rumor and date of verification

The verification date is 2026-10-02. The source of the external rumors is the Suzaka City Park Castle Ruins page on the National Haunted Map, updated on 2025/07/01. There are 0 personal accounts, and the incident/accident news displays "No news available," with the administrator cautioning that it may contain insufficient primary information and unverified content. The first appearance, date of occurrence, and records of damage regarding Benten Pond and the burial mound could not be confirmed from the page, so it is treated as an example of secondary publication.

• National Haunted Map - Garyu Park(Confirmed on 2026-10-02) — Paranormal phenomena rumored to occur at Garyu Park. Rapping sounds can be heard. There are reports of a body being dumped at Benten Pond and a hanging on top of the burial mound. It is also said that rapping sounds can sometimes be heard in the middle of the night.

Things that could be confirmed from official and primary source materials

The official Suzaka City "Garyu Park Cherry Blossom Festival" page states that the cherry tree-lined avenue in Garyu Park has been selected as one of "Japan's Top 100 Cherry Blossom Viewing Spots," and that there are 160 cherry trees around Ryugaike Pond and approximately 600 cherry trees throughout the park. The park also has a zoo and a playground, and lists the address as 4-8 Garyu 2-chome, Suzaka City. While the facilities, events, and usage conditions of Garyu Park can be confirmed, this page does not contain any evidence to confirm the body dumping at Benten Pond, the hanging on the burial mound, or the nighttime rapping sounds.

• Suzaka City Official - Garyu Park Cherry Blossom Festival(Confirmed on 2026-10-02) — The cherry tree-lined avenue at Garyu Park in Suzaka City has been selected as one of "Japan's Top 100 Cherry Blossom Viewing Spots," with 160 cherry trees around Ryugaike Pond and approximately 600 cherry trees blooming throughout the park, mainly Somei Yoshino varieties.

Points of agreement/contradictions

Official documents and rumor pages share the same name, Garyu Park, and the general location matches, as the official site provides information about the area around Ryugaike Pond and the park's facilities. However, the official page only shows information about cherry blossoms, the zoo, playground equipment, and parking, and there are no records of events to corroborate the rumors of abandonment, hanging, and rapping sounds. The address also differs, with the rumored address being Garyu 3-11 and the official address being Garyu 2-4-8, so further identification of the details is reserved.

The rumored atomic claim	Matching results	reason	Corresponding documents
I can hear a rapping sound.	Unconfirmed	The official website of Suzaka City provides information about cherry blossoms, the area around Ryugaike Pond, and facilities within the park, but it does not include any information about nighttime rapping sounds, recordings, or sound source investigations, making it impossible to compare the occurrences.	No official data available for direct comparison.
Body dumping at Benten Pond	Unconfirmed	The date of the incident, the victims, the investigation records, and the official accident records mentioned on the rumor page are not available on the official page, so the information posted there cannot be supported as fact.	No official data available for direct comparison.
A hanging occurred on top of the burial mound.	Unconfirmed	The official event guide for Suzaka City does not contain any records of burial mounds or hangings, and the materials obtained this time do not allow for a direct comparison between the rumored incident and the official facility guide.	No official data available for direct comparison.

Alternative interpretation

Sounds heard in the park at night can be explained by normal factors such as trees, animals, facility use, and surrounding traffic noise, but they cannot be identified without an on-site sound source investigation. The causal relationship between the rumored incident and the scenery of the cherry blossoms and pond cannot be inferred, nor should the somber atmosphere be used as the sole basis for the rapping sounds.

Scope and limitations of the investigation

The information obtained consisted of text from the National Haunted Map and event/visit guides from Suzaka City. However, the relative locations of Benten Pond and the burial mound, the date of the incident and records of the damage, nighttime recordings, and the administrator's accident log were not verified. Since the address names did not match, individual locations could not be determined solely from the facility names on the pages. This investigation is not intended to definitively conclude that no incident occurred.

Verification result: Unmeasurable

While the name Garyu Park and the existence of Ryugaike Pond and facilities within the park can be confirmed in the official guide of Suzaka City, no official records were found that directly compare the core rumors of abandonment, hanging, and rapping sounds. The source itself also noted a lack of primary information, so instead of considering it a partial match based solely on the existence of the location, it was deemed impossible to measure. "Unconfirmed" does not mean that the incident did not occur, but rather that it cannot be determined within the scope of the available materials.

Document Quality Score

Source transparency	25/30	By separating the official facility/event information page from the rumors page in Suzaka City, it becomes possible to clearly indicate the scope of unconfirmed incidents and sounds.
Historical and spatial context	17/25	While current information on Ryugaike Pond, cherry blossoms, and park facilities can be confirmed, the history of the rumored burial mound and the incident cannot be traced.
Safety information	17/20	The official website provides information on parking, crowds, and operating hours, which helps to specifically advise against exploring near water or at night.
Newness of information	14/15	The official Suzaka City website was last updated in 2026, and the update date of the rumor page can also be confirmed, but the timing of the event remains unknown.
Transparency of the source of rumors	4/10	While the wording of the rumors may be specific, it does not include personal accounts, the date of the incident, original records, recordings, or first-publication information.
total	77/100	This is the overall quality of the materials. It does not represent the degree of truthfulness or danger associated with the supernatural phenomena.

Safety information and maps

Follow the instructions from Suzaka City to check the latest conditions regarding parking hours, congestion, and cooperation fees. Do not enter waterfront areas or park facilities without permission at night, and observe the rules for restricted access, the zoo, and the area around playground equipment. Do not linger for extended periods to investigate the incident or make recordings, and limit your use of the park to normal park activities.

Map Location: This map uses representative points based on publicly available Google Maps coordinates shown on the rumor page, and does not pinpoint the specific location of Ryugaike Pond or the exact location of the rumored sounds or incidents.

Check the area around Garyu Park on Google Maps.

What I learned by crossing locations

While the rumor pages list the names and locations of all three locations as parks, the information that can be confirmed from official sources is divided into the development of Kawanakajima as a battle memorial park, the designation and history of Shiroyama Park, and the cherry blossoms, pond area, and facilities of Garyu Park. In Kawanakajima, the general framework of the historical setting overlaps, but there are differences in the supernatural occurrences, names, and addresses. In Shiroyama, the name of the municipality in the rumor text does not match the official location in Matsumoto City, and in Garyu, it was not possible to compare the records of the incident and the sounds. The key point common to all three locations is to read the existence of the place, management information, and the claims of the rumors separately.

summary

The information we were able to verify this time includes a rumor page about the Kawanakajima Ancient Battlefield Historical Park, a historical and facility-related description of the Kawanakajima Ancient Battlefield Historical Park provided by Nagano City, the official designation and history of Shiroyama Park by Matsumoto City, and the official cherry blossom, Ryugaike Pond area, and usage guide for Garyu Park by Suzaka City. Claims of animal spirits, female spirits, rapping sounds, past incidents, and execution grounds are based solely on rumors and will not be treated as fact. Differences in addresses and municipality names will be recorded as they are, and the judgment will only be reviewed if additional official records or original documents can be confirmed.

FAQ

If we can verify the park's history, will that also prove the existence of the strange occurrences?

No. Official documents only provide public facts such as the name, location, maintenance, designation, history, and facilities. To corroborate rumors of ghost sightings, sounds, or incidents, separate documents corresponding to each claim are required.

Does a judgment of inconsistency mean that all the rumors are invalid?

No. In the case of Shiroyama Park, the discrepancy was found between the name of the municipality mentioned in the rumors and the official location and history. It did not officially deny the existence of a female ghost or rapping sounds, and the judgment was limited to claims that could be directly compared.

Can I confirm this by going to the location where measurement is impossible at night?

"Unable to measure" does not indicate that you should explore the area. Do not approach waterfronts, park paths, or restricted areas at night. Prioritize following the operating hours of local authorities, local signage, and showing consideration for nearby residents.