Pilot Knob is a quiet peak inside the boundary of the Gifford Pinchot National Forest, and a stone's throw away from the Pacific Crest Trail. The approach is just short of 2 miles one-way, with some travel on an old trail and some bushwhacking.
The drive is about 1 hour and 15 to 30 minutes from somewhere in Portland. The hike is about 2 miles one-way with 1300' elevation gain and took about 1.5 hours to complete in the dry season.