Grassy Knoll, WA

Grassy Knoll, WA

by | Aug 4, 2017 | Dayhikes, Hiking | 0 comments

PDF or PrintNote: The roads leading to the Grassy Knoll Trailhead are typically gated and closed between December 1st and the end of May. Vicinity Location: The trailhead is about 75 miles northeast of Portland, Oregon in the Gifford Pinchot National Forest....