KING COUNTY, Wash. — An injured hiker was rescued by King County Sheriff's Office Air Support in Mailbox Peak Thursday. The KCSO said the hiker called 911 requesting assistance. Shortly after, the ...

Just after the Washington County park opened its trails in 2009, Terry Richard, former outdoors and travel writer for The Oregonian/OregonLive, not only called Cooper Mountain a “must-do park,” but ...