(Welches, OR) -- The Clackamas County Sheriff's Office released the name of a hiker who died last week in the Mount Hood National Forest. Robert McDonald went on a solo hike last Wednesday on the Paradise Park Trail. His family called the Sheriff's Office that evening to report he didn't return. McDonald wasn't prepared for overnight conditions. Several search teams spent Thursday looking for him. They found his tracks in snow and located his body Friday morning. The Medical Examiner will determine McDonald's cause of death.