[Missing: Seth Kienzle, 26 Denver, Colorado (car found abandoned in the Pine Brook Hills area)]
Friends of a man who has been missing since last week are planning a search party.
Seth Kienzle, 26, is from Denver. He is about 5-foot-7 with a small to medium build, short blonde hair and tattoos.
According to the Boulder County Sheriff's Office, Kienzle's vehicle was found Friday abandoned in the Pine Brook Hills area off Wild Horse Circle near Linden Drive in north Boulder, and has since been impounded.
He was supposed to have plans in Fort Collins on Friday but never arrived. A missing persons report has been filed with the Denver Police Department.
Anyone with information is asked to call the Boulder County Sheriff's Office at 303-441-4444.