Rangers said Wednesday that Christopher Lee Cessna’s car was found in a parking lot there.
Family members reported Cessna missing on April 27.
Rangers are mounting a search from Newfound Gap along the Appalachian Trail and connecting trails.
Park officials said that Cessna had been despondent and that a handgun he owned could not be located at his residence.
Anyone who may have seen Cessna is asked to call the Great Smoky Mountains National Park at 865-436-1230.
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