The rangers of Shenandoah National Park are searching for a missing man. Park officials say 21-year-old Tyler Keefer of Front Royal was reported missing at around noon Tuesday. His last known location point was the Dickey Ridge trailhead, where he was seen last Saturday. Keefer’s bicycle was found at the trailhead, and he may have been hiking in the area. The missing man has brown hair and eyes, a mustache and beard. Keefer (pictured) is 6’1″and weighs approximately 175 pounds. He might be wearing plain shorts, a tee-shirt, a small black backpack, and hiking boots. Anyone with any information about Keefer’s whereabouts is urged to call 1-800-732-0911.