Kiyotaki Tunnel — Kyoto's Cursed Passage
A 1927 mountain tunnel where a mirror-check at night is said to show a woman's face where yours should be.
Case File No. 080
FILE 01 The Legend
Kiyotaki Tunnel, bored through Mount Kiyotaki in 1927 as part of the old Atagosan road, was once the main route between Kyoto and the Sonobe area — a road with a long suicide and accident history. Legends collected from the Heian period forward paint the whole valley as a boundary zone. In the tunnel: a woman's face appears in the rearview mirror; a vengeful spirit blocks the road; and turning around inside is said to bring disaster. The tunnel is now bypassed by the modern expressway.
FILE 02 The Sightings Log
Drivers report figures standing at the exit, temperature drops mid-tunnel, and the mirror-face. The tunnel's length is said to change depending on when you measure it. Urban-exploration videos consistently report equipment glitches.
FILE 03 The Skeptic’s File
Every element is unfalsable folklore — the length-changing claim in particular fails basic measurement. The tunnel is now a quiet back road with a genuine accident history on a curving mountain route, which is how such legends seed. Japan's tunnel ghosts mirror a real national trauma: the country's 1990s road-network expansion tore through old burial grounds and gravesites, generating an entire genre of grudge-stories.