Skip to content
ARCHIVE ONLINE · PUBLIC TLS1,632 RECORDS · 1561–2026PRIMARY SOURCES INDEXEDREAD-ONLY38 MS
COUNTDOWN//DISCLOSURE
MENU
TOP SECRET // SCI // NOFORNPUBLIC ARCHIVE · COMPILED REFERENCE
/index/1981-12-01-hessdalen-lights-phenomenon-hessdalen-valley-norwayCIVILIAN

Hessdalen Lights Phenomenon

DATE1 Dec 1981
LOCAL TIME—
LOCATIONHessdalen Valley, Norway
COORDINATES62.90°N, 11.13°E

Residents of Hessdalen valley began reporting unexplained luminous phenomena peaking at 20 sightings per week. Scientific field studies documented the lights responding to laser stimulation. The phenomenon continues at reduced frequency and remains scientifically unexplained.

[ PRIMARY CITATION // COMPILED REFERENCE · CTD-0274 ]

WITNESSES & UNITS

On-record civilian observers

SENSORS & EVIDENCE

Archived investigative case file

## RELATED FILES

ls /index?cat=civ →
1981-01-08Trans-en-Provence Physical Trace CaseTrans-en-Provence, FranceCTD-0273 →1981-01-01Trans-en-Provence (1981): A Rare UAP Case With Documented Physical Trace AnalysesLocation unrecordedCTD-0272 →1982-12-31Hudson Valley UFO WaveHudson Valley, New York, USA, United StatesCTD-0277 →