Brian Matthew Lewis told family that he was going camping, but when he did not return family members called the authorities.
Lewis has brown eyes, brown hair, is 6-foot tall and weighs 200 pounds. His car was found at Shaver Lake and he is said to have camping gear, food, a sleeping bag and a tent with him.
Anyone with information about his whereabouts is asked to call the Sheriff's Office at (559) 488-3111.
The Fresno County Sheriff's Office flier for missing person Brian Lewis.