Officials with the Los Angeles County Sheriff's Department said a hiker found the body next to a car in a rural area by Old Topanga Canyon Road and Mulholland Highway about 4 p.m.
Sheriff's homicide detectives were unable to positively identify the victim. He was described as an African-American man. His identity will have to be determined by the Coroner's office.
Detectives said there were no signs of foul play.
Anyone with information is encouraged to contact Los Angeles County Sheriff's Department Homicide Bureau at (323) 890-5500.