11:38
45.6km
90m
Hiking
Hike the 28.3-mile Whitehorse Regional Trail through forests and along the Stillaguamish River, offering diverse scenery and varying terrain
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
7.28 km
Highlight • Bridge
Tip by
10.7 km
Fortson Mill Ponds
Lake
45.6 km
End point
Parking
Way Types & Surfaces
Way Types
40.9 km
3.55 km
580 m
450 m
179 m
Surfaces
32.4 km
6.09 km
4.82 km
1.94 km
424 m
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Elevation
Highest point (170 m)
Lowest point (20 m)
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Weather
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Today
Thursday 28 May
29°C
12°C
13 %
Additional weather tips
Max wind speed: 8.0 km/h
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This route was planned by komoot.
The trail spans between Arlington and Darrington in northern Snohomish County, Washington. You can find various access points and parking areas along its length. For detailed information on specific trailheads and parking, it's best to check the official Snohomish County Parks website.
Yes, the trail is generally dog-friendly. However, please ensure your dog is on a leash and that you clean up after them to help keep the trail enjoyable for everyone.
The trail offers different experiences throughout the year. Early summer is great for wildflowers like Bleeding Heart and Yellow Wood Violet. Winter and spring provide stunning views of snowy mountains and a roaring river, especially in the eastern sections. Always check current conditions before you go, as sections can be rough or muddy.
Based on available information, there are no specific permits or entrance fees required to access the Whitehorse Regional Trail itself. However, always check local regulations before your visit.
The terrain varies along the route. Much of it consists of compacted gravel, but some sections are paved, particularly near Twin Bridges and Cicero Pond, and fronting the Oso Landslide Memorial. Towards the Darrington end and east of the Swede Heaven Road crossing, you might encounter bumpier, rougher, or muddier sections due to thicker forest and bogs. Some parts closer to Arlington also have loose gravel, grass, or compact soil. The trail generally has a gentle grade, with a maximum of 2%.
Yes, the Whitehorse Regional Trail is generally considered easy and suitable for a wide range of users, including families and beginners, thanks to its low grade and multi-use design. However, be aware that some sections can be rougher or muddier, which might present a moderate challenge in those specific areas.
You'll find picturesque views of forests, farmland, streams, rivers, and mountains. Specific highlights include vistas of the mountains and the Stillaguamish River. The eastern stretches offer beautiful scenery, including views of glacier-capped Whitehorse Mountain, Round Mountain, Mount Higgins, and Segelsen Ridge. Don't miss the Squire Creek Trestle, a notable bridge along the way. The trail also passes the poignant Oso Landslide Memorial and the site of the former Fortson Mill.
Wildlife viewing is possible, with sightings of birds, deer, and foxes reported, especially near the old Fortson Mill Pond. In early summer, you can enjoy wildflowers such as Bleeding Heart and Yellow Wood Violet.
Yes, the western terminus of the Whitehorse Regional Trail connects with the Snohomish County Centennial Trail in Arlington, expanding your options for longer adventures within the regional trail network.
Yes, it's important to note that certain sections of the trail are currently closed due to landslides, river washouts, and bridge repairs. These closures can limit continuous travel along the entire route. Always check the latest conditions and advisories from Snohomish County Parks before planning your trip.
The Whitehorse Regional Trail is primarily an out-and-back route, stretching over 27 miles between Arlington and Darrington. While it connects to other trails, the main path itself is linear.