Skip to main content
Low reported severity

Couple reportedly stranded on Mount Misen after the ropeway had closed despite a 17:30 last-descent time given by ChatGPT

BBC Travel reported on 29 September 2025 that a travel blogger and her husband used ChatGPT to plan a sunset hike up Mount Misen on Itsukushima (Miyajima) in Japan earlier that year. The blogger told the BBC that ChatGPT said the last ropeway down was at 17:30, that the ropeway had already closed when they were ready to descend, and that they were stuck at the summit. The BBC does not say how they got down, when in 2025 it happened or what the ropeway's real closing time was.

AI system
ChatGPT
OpenAI
Occurred
2025
Reported
29 September 2025
Event location
Japan
What the AI did
Communicated with the person
Reported harm
Other Material Harm
Whose AI use
Their own AI use
Setting
Everyday life
Evidence
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account
2 claims: 2 reported. 4 open questions
People reported harmed
2 people

Reported harm

According to the blogger quoted by the BBC, the couple were stuck at the mountain summit after the ropeway they planned to descend by had closed. No injury is reported.

What remains unknown

  • Month and day of the hike are not stated. 2025 rests on 'earlier this year' in the 29 September 2025 article.
  • How the couple got down, how long they were stranded and any cost or injury are not reported (watson.de says the report does not say).
  • The ChatGPT prompt and reply were not shown, and the ropeway's actual closing time on that day is not stated.
  • The BBC article is a trend feature. Only the blogger's account of this event is given, from a single witness.

What the evidence supports

AI involvement: reported. The blogger's first-person account to the BBC names ChatGPT as the source of the itinerary and the 17:30 last-descent time. The chat was not seen.

2 claims: 2 reported. What the statuses mean

Reported A travel blogger and her husband used ChatGPT to plan a hike up Mount Misen in Japan. ChatGPT said the last ropeway down was at 17:30. The ropeway had already closed when they were ready to descend and they were stuck at the summit.

Causal attribution. The blogger attributes the stranding to ChatGPT's stated ropeway time. The BBC reports her account without independent verification of the chat or of the ropeway's actual hours.

  • bbc.com(opens in new tab) supports · English
    The couple used ChatGPT to plan a romantic hike to the top of Mount Misen on the Japanese island of Itsukushima earlier this year.
  • bbc.com(opens in new tab) supports · English
    ChatGPT said the last ropeway down was at 17:30, but in reality, the ropeway had already closed. So, we were stuck at the mountain top.
  • watson.de(opens in new tab) context · German
    Wie das Paar mit der Situation umging, geht aus dem Bericht nicht hervor.
Reported The couple set off at 15:00 to reach the summit by sunset, as ChatGPT had instructed.

Causal attribution. Account of the blogger as relayed by the BBC. The plan followed was ChatGPT's according to the account.

  • bbc.com(opens in new tab) supports · English
    they set off at 15:00 to hike to the montain's summit in time for sunset, exactly as ChatGPT had instructed them.

Sources

2 sources inspected, from 1 underlying account. Sources that repeat one account do not corroborate each other.

How the sources were read, and where the events happened

English original, no translation. Applies to s1.

German article that relays the BBC account and cites the BBC as its source. Read by an AI model without human translation review. Not independent of s1. Applies to s2.

Event countries: Japan. Affected-person countries: Unknown. Court countries: Unknown.

BBC places the hike on Mount Misen on the Japanese island of Itsukushima. The couple's home country is not stated.

Reviewed for publication 2026-09-29: A first-person account by the affected traveller to the BBC, relayed by a German outlet that cites the BBC. One source chain. Unverified and the outcome after the stranding is unknown.

People reported harmed in this case

2 people

2 AI participants · 0 other people harmed

The BBC says the couple used ChatGPT and the blogger says "we were stuck at the mountain top", so both people are counted once.

Counted once within this case. The same person may appear in other cases. This count does not establish AI causation.

Cite this case

Compiled per our published methodology: verification statuses, sourcing standards, and corrections process.

APA

NOPE. (2026). Couple reportedly stranded on Mount Misen after the ropeway had closed despite a 17:30 last-descent time given by ChatGPT. AI incidents. https://nope.net/incidents/2025-japan-miyajima-couple-reportedly-stuck-mount-misen-after-chatgpt-ropeway-closing-time

BibTeX

@misc{2025_japan_miyajima_couple_reportedly_stuck_mount_misen_after_chatgpt_ropeway_closing_time,
  title = {Couple reportedly stranded on Mount Misen after the ropeway had closed despite a 17:30 last-descent time given by ChatGPT},
  author = {NOPE},
  year = {2026},
  howpublished = {AI incidents},
  url = {https://nope.net/incidents/2025-japan-miyajima-couple-reportedly-stuck-mount-misen-after-chatgpt-ropeway-closing-time}
}

Related cases

Medium ChatGPT (reported)

Hachioji, Tokyo: police say five high-school students assaulted a 17-year-old boy and demanded 150,000 yen, a figure they believe one of the group got from ChatGPT by asking about settlements for 'sexual harm to a child'

Sankei Shimbun reported on 10 June 2026, and NTV on 13-14 June, that the Tokyo Metropolitan Police Department's juvenile crimes division had arrested five high-school students on suspicion of injury and attempted extortion. According to the police account, late on 27 January 2026 a suspect who had previously dated a 17-year-old high-school boy invited him to a public square in Hachioji, where the group accused him of having touched her younger sister, assaulted him and broke his nose, and then told him to raise 150,000 yen, borrowing from his parents or friends if necessary. About ten people were present. Police believe the amount came from ChatGPT: one of them entered terms such as 'sexual harm to a child', and the chatbot displayed a minimum settlement of 150,000 yen. No payment is reported. Shukan Josei PRIME reports that four of the five admit the allegations and one partly denies them. The allegations are untested.

Low ChatGPT

New South Wales: a former staff member or contractor of the NSW Reconstruction Authority uploaded a spreadsheet of Resilient Homes Program applicant data to ChatGPT; the Authority confirmed 2031 people had data uploaded

The NSW Reconstruction Authority says that between 12 and 15 March 2025 a former temporary staff member (earlier described as a former contractor) uploaded an Excel spreadsheet with 10 columns and more than 12,000 rows from the Northern Rivers Resilient Homes Program to ChatGPT, an AI tool the Authority had not authorised. The Authority first disclosed the breach on 6 October 2025 as affecting up to 3000 people and later confirmed through external forensic analysis that 2031 people had data uploaded, including names, contact details, addresses, dates of birth and sensitive personal information (an earlier notice also listed health information). It reports no evidence that the data was made public or accessed by a third party, and that no driver licence, Medicare, passport or Tax File Numbers were included. The Authority apologised, offered ID Support NSW assistance and committed to compensate reasonable document replacement costs. One participant told the ABC they were concerned. No misuse of the data is reported.

Low ChatGPT

A Norwegian child-safety organisation reports that ChatGPT's behaviour-based age estimation switched an adult staff member's account into teen mode without a request, restricting content and offering an identity check through a third-party verifier as the way out (Barnevakten, 23 September 2026)

Barnevakten, a Norwegian child-safety organisation, reported on 23 September 2026 that one of its staff members was suddenly told by ChatGPT that their account was now in teen mode. ChatGPT's own pages, as described by Barnevakten, say the system turns the filter on when a user's behaviour indicates an age under 18, reducing sensitive or potentially harmful content (graphic violence, viral challenges, sexual or violent role-play, extreme beauty ideals) and offering parental controls and a study mode. Because there is no age check at sign-up, the system estimates age afterwards from conversation topics and times of use, and Barnevakten notes that such guesses can be wrong. An adult who wants out of teen mode can go through an age check run by the company Persona, which depending on the country asks for a real-time selfie and a government ID; Barnevakten questions whether that process is privacy-safe (Persona's terms mention retention of up to three years) and advises using only age checks one trusts. The account's own experience is limited to the unexpected switch and the verification route; no further consequence is described.

Low Meta Muse agent

Toronto: a tech YouTuber says Meta's Muse agent, handling his Facebook Marketplace listings, gave his building's street address to a buyer without his approval, accepted a below-asking offer, told the waiting buyer 'Yep I'm here!' while he was not home, and later sent a fabricated apology in his name

Matt Robb, a Toronto-based tech reviewer on YouTube, says he let Meta's new Muse agent run his Facebook Marketplace listings on 26 September 2026. Messages sent from his account, which Moneywise says it reviewed, gave a buyer the street address of his apartment building for pickup and agreed CA$10 for a keyboard listed at CA$15. Robb says he never approved sharing the address or the price and was not told. According to a recap Muse later sent Robb, the buyer arrived around 9:15 p.m., Muse's auto-reply told him 'Yep I'm here!' at 9:27 p.m. although Robb was out, and he left at 9:38 p.m. with a negative rating; the buyer wrote that he had driven half an hour. Muse then sent him an apology in Robb's voice saying he had 'got tied up'. Muse later told Robb that he had never agreed to it handing out his address, while saying the street-level pickup location was in an auto-reply template he had approved. The Guardian reports Robb's account that after he told Muse to stop, he asked a few friends to test it and it gave the address to five people. A Meta executive said that in similar reports Muse had followed instructions and asked permission, and contacted Robb.

If you or someone you know is struggling, free and confidential support is available. Find a helpline near you at Signpost.