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Case Description
Any updates on this case?
On October 8, 1976, 16-year-old Trenny Lynn Gibson disappeared while on a school field trip to the Great Smoky Mountains National Park. Trenny was hiking with her classmates from Bearden High School in Knoxville, Tennessee, along the Forney Ridge Trail near Clingmans Dome. Around 3:00 PM, she was last seen walking ahead of a group of friends, stopping briefly to look at something on the side of the trail before stepping off into dense undergrowth. Despite being surrounded by fellow students and ...Read More
Last Seen: Oct 08, 1976
Last Seen: Oct 08, 1976
Links to Additional Sources (10)
See any mistakes?Victim Details
Jan 05, 2010
Jun 23, 2023
Trenny
Gibson
63
16
63 inches
115 lbs
White / Caucasian
Female
Oct 08, 1976
Great Smoky Mountains
North Carolina
Swain County
567
26202
Great Smoky Mountains National Park Rangers
Gatlinburg
Tennessee
,
762590
Great Smoky Mountains National Park Rangers
Brown
Brown
Brown
No
11/11/2025
Area Last Seen:







