4.8 hr
Diamond Peak is the centerpiece of the Diamond Peak Wilderness and the highest peak in the Willamette Pass area. The most common ascent route is a non-technical hike along the south ridge from a sharp bend in the Pacific Crest Trail at about 43.5047, -122.1425. This is about 12 miles round-trip from the Rockpile Trailhead.
No caption provided.