Three Fingers-Goat Flats-Saddle Lake Trail #641
Three Fingers-Goat Flats-Saddle Lake Trail #641
3.2
(27)
35
hikers
06:07
18.7km
890m
Hiking
Three Fingers-Goat Flats-Saddle Lake Trail #641 is a difficult 11.6-mile hike in Boulder River Wilderness with challenging terrain and panor
Last updated: February 26, 2026
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9.30 km
Highlight • Natural Monument
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18.7 km
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18.7 km
Surfaces
18.7 km
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Saturday 30 May
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This route was planned by komoot.
This is a very difficult and strenuous hike, especially the latter half. It requires significant technical skills and mountaineering equipment beyond Goat Flats, including navigating snowfields, glaciers, rocky scrambles, and exposed ladder climbs to reach the Three Fingers lookout. It is not suitable for beginners.
The best time to hike this trail is typically in late summer to early fall, usually from July through September. Earlier in the season, you'll encounter extensive snowfields and glaciers, making the route significantly more challenging and requiring specialized equipment like ice axes and crampons.
Accessing the trailhead is a significant challenge itself. Forest Service Road 41 (Tupso Pass Road) is rough, with deep potholes and a bad washout. It's permanently closed past the Canyon Creek bridge, requiring a 9-mile walk or bike ride to reach the official trailhead. Parking is limited at the closure point.
Yes, you will likely need a Northwest Forest Pass or an equivalent interagency pass for parking at the trailhead. Additionally, as the trail is within the Boulder River Wilderness, specific wilderness permits may be required for overnight stays. Always check the latest regulations on the USDA Forest Service website before your trip.
The trail offers spectacular scenery despite its difficulty. You'll pass through dense forests to the serene Saddle Lake, then ascend to Goat Flats, a picturesque subalpine meadow with impressive views of the Three Fingers peaks. The pinnacle is the historic Three Fingers lookout tower, offering expansive panoramic views of the Boulder River Wilderness, the North Cascades, Puget Sound, and the Olympic Mountains. You'll also traverse near the Queest-Alb Glacier.
Due to the trail's technical nature, especially beyond Goat Flats, you should be prepared with mountaineering gear. This includes microspikes or crampons for snow travel, an ice axe, a helmet for rocky sections, and appropriate layers for varying conditions. Sturdy hiking boots are essential, and trekking poles can be helpful on the initial rough sections.
While dogs are generally allowed in the Boulder River Wilderness, the extreme difficulty and technical nature of this particular trail, including glacier traverses, steep scrambles, and exposed ladders, make it unsuitable for most dogs. If you do bring a dog, they must be on a leash and you are responsible for packing out all waste.
Yes, Goat Flats is a popular spot for camping. However, due to wildlife in the area, it's highly recommended to use bear-resistant food containers or bear bins. Always practice Leave No Trace principles when camping in the wilderness.
The terrain is highly varied and challenging. It starts with a rough, root-filled, and often muddy path through dense forest to Saddle Lake. Beyond Saddle Lake, it ascends steeply to Goat Flats. From there, the route becomes much more demanding, featuring continuous snow patches, glaciers, rocky scrambles, and exposed sections, culminating in steep ladders rebarred into rock to reach the lookout.
Yes, the route is primarily the Three Fingers-Goat Flats-Saddle Lake Trail #641, but it also passes through sections of the Saddle Creek Trail and the Saddle Lake/Meadow Mountain Trail #715. The final push to the lookout is often referred to as the Three Fingers summit trail.
No, this trail is not suitable for families or children due to its extreme difficulty, technical demands, significant exposure, and the need for specialized mountaineering equipment. Even the approach to the trailhead is long and challenging.