Case No. #1143
Peru, Andes Mountains, Valley of Mist and Shadows: Vanishing Hamlet and Wailing Voices Incident
Summary
Since 2018, reports of anomalous phenomena have reached authorities from a remote part of the Urubamba Valley in the Peruvian Andes. On nights of dense fog, a massive, human-shaped shadow is observed roaming the valley, accompanied by an unsettling wailing sound—a chorus of voices, impossible for human vocal cords. Following these events, livestock disappear without a trace, prompting residents to abandon their hamlet. Official investigations are underway, yet the true nature of the phenomenon remains elusive, and the situation continues to deteriorate.
Details
On the night of November 13, 2018, strange occurrences began in "Cantuta" (pseudonym), a small hamlet situated at 3,800m altitude within the remote Urubamba Valley of Cusco, southeastern Peru. As thick fog enveloped the valley, residents witnessed a colossal "shadow" moving along the mountainside. Simultaneously, a high-pitched yet deeply resonant "wailing voice," seemingly a blend of multiple human voices, emanated from the mist.
The following morning, the hamlet's shepherd discovered several livestock missing. Hoof prints remained in the pasture but abruptly ceased at a certain point. There were no signs of struggle or predatory animals. Similar phenomena continued, recurring on moonless nights, especially when dense fog was present.
Authorities initiated an initial investigation in March 2019. Surveillance cameras and acoustic sensors were deployed around the hamlet. However, on nights when fog appeared, the equipment frequently malfunctioned. The few recorded images fragmentarily showed a dark mass moving within the mist, but no clear shape could be discerned.
Acoustic analysis revealed that the recorded wailing sound contained unnatural frequency components, far exceeding the typical range of human vocalization. It appeared to be a complex sound, as if multiple frequencies were generated simultaneously, inconsistent with known natural phenomena or animal calls. Some residents linked these voices to curses from ancient peoples believed to have once inhabited the land.
The disappearance of livestock defied physical laws. Authorities conducted an experiment by releasing livestock equipped with GPS trackers. Signals from the vanished animals abruptly ceased at a certain point, and subsequent reacquisition was impossible. There were no signs of the devices being physically destroyed, nor could they be recovered.
With the increasing frequency of the phenomena, the residents of Cantuta hamlet were gripped by fear and confusion. More than half of the population abandoned their livelihoods and relocated down the valley. Abandoned houses and fields became prominent, and the once bustling small community fell silent. Authorities strive to interview remaining residents and maintain continuous surveillance.
This incident exhibits unique characteristics that cannot be explained by mere wildlife predation or mass hallucination. The elusive nature of the shadow, the origin of the wailing voices, the mechanism of livestock disappearance, and the electronic equipment malfunctions—all suggest an interconnected, unresolved phenomenon.
Authorities continue to prioritize monitoring and data collection of the phenomena in the Cantuta Valley. Detailed analysis will continue regarding the conditions for the appearance of mist and shadows, as well as the correlation between the frequency characteristics of the voices and livestock disappearance. While the truth of the incident remains unknown, its impact on the region is undeniable.
Timeline
- Night of November 13, 2018First reports of a massive shadow, wailing voices, and livestock disappearance in Cantuta hamlet.
- March 2019Authorities commence initial investigation; surveillance equipment deployed.
- June 2019Surveillance equipment repeatedly malfunctions in fog.
- January 2020Acoustic analysis confirms recorded voices possess anomalous frequency components.
- April 2021Experiment with GPS-tracked livestock results in signal loss and irrecoverability.
- 2022-PresentOver half of hamlet residents relocate; increase in abandoned properties.
Witness Testimony
Witness A (Former Resident, 80s Male)That was a shadow, but not just any shadow. It emerged from the mist, gliding across the land. And that voice. It sounded like the wailing of the dead, or the anger of the mountain spirits. We could no longer live here.
Witness B (Former Shepherd, 50s Female)On a foggy night, several of my sheep vanished again. The footprints ended in the middle of the pasture. Nothing was left on the ground. The shadow and the voice took the sheep away. There's no hope left here.
Investigator X (Authority Records Team)Acoustic data recorded shows highly peculiar frequency bands, inexplicable by known biological vocalizations. Specifically, the high-frequency components maintain an abnormally high level. This is impossible for human vocal cords.
Kyu's Analysis
A combination of physically unsubstantiated shadows, acoustic anomalies, and vanishing traces is extremely rare. This phenomenon suggests an unknown agency, beyond mere paranormal activity.




