Dickerman Mountain Trail
Dickerman Mountain Trail is the steep, strenuous hike up to Mount Dickerman in the Mount Baker-Snoqualmie National Forest along the Mountain Loop Highway near the South Fork Stillaguamish River Valley. Expect a route that’s essentially about grinding elevation to the top—4,000 ft up is the defining number for this climb.
The trail starts from a shared trailhead area for Dickerman and Perry Creek, directly off the Mountain Loop Highway. A Northwest Forest Pass is required for this Forest Service site, and there are outbuildings at the trailhead area.
From the start you’ll spend roughly the first couple of miles on switchbacks through dense conifer forest, largely in shade. After that early climb, the route begins transitioning toward more open terrain as you gain elevation.
Once you’re above the treeline, the landscape opens into alpine meadows and rocky ground, with sections that feel more exposed than the opening forest. The upper stretch stays focused on steady ascent toward the summit ridge.
At the summit, you get a 360-degree panorama from the rocky high point. The northern side drops sharply into adjacent valleys, so keep your footing and don’t linger at the edge when conditions are slick or windy.
Common timing is mid-July through October; snow can persist on the mountaintop and meadows into at least early season. In late summer, hikers also report finding blueberries on the route, particularly in sun-exposed meadow areas.
More information: Wikipedia, Dickerman Mountain trail geology guide, Mount Dickerman - Hesperos Flown
Difficulty
Hard