2.5
(24)
44
hikers
02:09
8.19km
90m
Hiking
Embark on the North Fork Trail #3666, a moderate hiking route that stretches 5.1 miles (8.2 km) with an elevation gain of 285 feet (87 metres). You can expect to complete this journey in about 2 hours and 9 minutes. As you hike, you will follow the North Fork of…
Last updated: April 23, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Start point
Parking
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4.98 km
Highlight • River
Tip by
8.19 km
End point
Way Types & Surfaces
Way Types
7.81 km
232 m
122 m
< 100 m
Surfaces
7.82 km
216 m
123 m
< 100 m
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Elevation
Highest point (380 m)
Lowest point (330 m)
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Weather
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Today
Sunday 5 July
30°C
11°C
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Additional weather tips
Max wind speed: 12.0 km/h
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This route was planned by komoot.
The trailhead for the first segment of the trail is conveniently located near the Office Bridge. You'll find paved parking and a restroom facility there, making for easy access to the route.
Yes, the first segment of the trail is generally considered easy to moderate, with minimal elevation gain. It's a great option for beginners and families looking for a scenic and accessible outdoor experience.
The trail meanders along the river, starting in an open area before transitioning into a young forest and then a more mature forest with large Douglas fir and western hemlock trees. You'll encounter rolling hills, with some sections featuring river rock and root obstacles, especially under the shaded canopy. The path can be narrow in places with a slight drop down to the river.
The trail offers numerous excellent views of the North Fork Middle Fork Willamette River, with opportunities to walk down to the water. You'll also experience a transition from young to old-growth forest, and in season, a variety of wildflowers like rhododendron, trillium, and Oregon grape. Remnants of a 1930s mill pond can also be found.
Yes, dogs are generally welcome on trails within the Willamette National Forest. Please ensure your dog is kept on a leash and that you pack out any waste to help keep the trail clean for everyone.
As part of the Willamette National Forest, day-use permits are typically not required for hiking on this trail. However, some parking areas in National Forests may require a recreation pass (like a Northwest Forest Pass or America the Beautiful Pass). It's always a good idea to check the USDA Forest Service website for the most current information regarding passes and regulations.
The trail is beautiful throughout the warmer months, especially in spring when wildflowers are abundant and in the fall for vibrant foliage. While accessible in winter, be prepared for colder temperatures and potential snow or ice, which can make some sections more challenging.
The North Fork Trail #3666 is primarily an out-and-back trail for hikers. However, it can be combined with Forest Road 19 to create a loop option, particularly popular for mountain biking.
Yes, the route follows the entire length of the Aufderheide Scenic Bikeway and the North Fork Trail #3666. It also intersects with sections of Forest Road 1910-698, Forest Road 1900-202, and Forest Road 1900-010.
For a particularly easy and scenic experience, focus on the first segment of the trail. It offers excellent river views and a gentle grade, making it perfect for a relaxed stroll or a family outing. As you go further upstream, the forest becomes more mature and the trail can become a bit more rugged with roots and rocks.
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