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Trenny Lynn Gibson Missing Person Case

Last seen in Great Smoky Mountains National Park, Tennessee on Oct 08, 1976

Victim Details

Jan 28, 2026

Jan 28, 2026

Trenny

Lynn Gibson

65

16

5'3 inches

115 lbs

White

Female

Oct 08, 1976

Great Smoky Mountains National Park

Tennessee

Great Smoky Mountains Nat

Tennessee Bureau Of Investigation

615-744-4000

07/28/2026

Case Description

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On a fall day in October of 1976, sixteen-year-old Trenny Lynn Gibson, a sophomore at Bearden High School in Knoxville, Tennessee, embarked on a horticulture class field trip to the Great Smoky Mountains National Park. The destination, kept a surprise from the students until they were en route, was Clingmans Dome, the highest point in the park. On October 8th, Trenny, along with about 40 of her classmates, was hiking the Forney Ridge Trail to Andrews Bald. The weather was poor, and Trenny was no ...
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Last Seen: Oct 08, 1976

Links to Additional Sources (5)

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  • What Happened to Trenny Gibson? - William Keckler - Medium
  • The 1976 Disappearance of Trenny Gibson
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    Forum Posts (2)

    So, I've been diving into the details of Trenny Lynn Gibson's case, and something that's caught my a... ...Read More
    02/11/2025
    I’ve been curious about the weather conditions during Trenny’s disappearance. On October 8, 1976... ...Read More
    07/12/2024
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