Yamagami Tunnel is a lesser-known but persistent haunted tunnel legend in Kanagawa, often linked to sightings of a long-haired woman and shadow figures appearing inside vehicles or reflected in rear-view mirrors while passing through at night. Local retellings describe engine trouble, sudden silence, and the sensation of an unseen passenger after exiting the tunnel, a pattern common in Japanese drive-haunt folklore. Some stories associate the tunnel with past traffic deaths and roadside memorials in the mountainous Atsugi region, reinforcing its reputation as a spiritually active road corridor rather than a purely internet myth. It continues to circulate in Japanese paranormal forums and night-driving exploration content as a regional “test of courage” location.