The Mount Pení Lights

The reports come from the slopes of Mount Pení, above Roses on the Catalan coast, between the fifteenth and seventeenth of September 1971. The archive's transcription renders the hill as Pany; its documented name is Pení, and it carried a military radar station at the time, which is worth knowing when reading reports of lights around it. According to the account the archive holds, lights in red, green and yellow moved and shifted across the sky over those nights. On the seventeenth a triangular craft was reported low on the horizon.

Alongside the sightings the account records a second class of report from the same area: sheep vanishing and sheep found dead, cows giving less milk, and dogs behaving uneasily. The archive's telling describes mutilations; the fuller published account says several sheep disappeared and two were found destroyed, which is a narrower claim.

What is on the record

Three claimants are resolved and all are recorded as groups rather than individuals. They are farmers, local shepherds and unnamed witnesses. That is a weaker basis than three named people, because a group attribution cannot be traced back to a person who said it.

The animal reports are the part that most needs care. They are presented alongside the lights, and proximity in an account is not causation. Livestock go missing in hill country every year for ordinary reasons. The archive holds no veterinary examination, no photograph and no official report; a researcher who searched the Spanish Air Force files for this episode found no case file on it.

The archive also holds a separate and better-known Pení report from March of the same year, describing a humanoid figure. This file is the September lights and should not be confused with it.

Why it sits where it does

This case grades L3, the archive's tier for multiple independent claimants describing one connected event. Group attributions and no physical evidence set the ceiling. Whether the lights and the livestock belong in one file is not resolved here.