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Routes
Running trails & routes
United States
Washington
Snohomish County
Everett

Langus Riverfront Trail & Spencer Island loop

Moderate

4.7

(5765)

13,142

runners

Langus Riverfront Trail & Spencer Island loop

00:56

9.16km

10m

Running

Jog the 5.7-mile Langus Riverfront Trail & Spencer Island loop, a moderate route with river views and abundant wildlife.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Spencer Island Park

Waypoints

A

Start point

Parking

Get Directions

1

746 m

Langus Riverfront Trail

Highlight (Segment) • Trail

This trail takes you along the Snohomish River, offering some nice views along the way. There are several spots for river access, fishing piers, and a boat launch. Keep an …

Tip by

2

3.79 km

Spencer Island Park

Highlight • Natural

Spencer Island Park ranks among the best places in the area for birding, where you can see waterfowl and shorebirds. You'll also frequently encounter other wildlife, including deer, coyotes, and …

Tip by

B

9.16 km

End point

Parking

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Way Types & Surfaces

Way Types

8.92 km

109 m

< 100 m

Surfaces

6.13 km

2.86 km

< 100 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Thursday 9 July

26°C

12°C

0 %

Additional weather tips

Max wind speed: 13.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the Langus Riverfront Trail & Spencer Island loop?

You can find ample parking at Langus Riverfront Park, which serves as the primary trailhead for this loop. The paved sections of the trail start directly from the park.

Is the Langus Riverfront Trail & Spencer Island loop dog-friendly?

Yes, the trail is dog-friendly. Please ensure your dog is kept on a leash at all times to protect the abundant wildlife, especially on Spencer Island Park, which is a significant birdwatching area.

What is the best time of year to visit the Langus Riverfront Trail & Spencer Island loop?

The trail is snow-free and can be enjoyed year-round. However, for optimal wildlife viewing, especially birdwatching, spring and fall are excellent. Summer offers pleasant conditions, but some sections on Spencer Island can become overgrown. The trail is generally in good condition for a year-round walk or jog.

Are there any permits or entrance fees required for Spencer Island Park?

No, there are no permits or entrance fees required to access Spencer Island Park or the Langus Riverfront Trail. It is freely accessible to the public.

What is the terrain like on the Langus Riverfront Trail & Spencer Island loop?

The terrain is varied. The initial section, the Langus Riverfront Trail, is primarily a smooth, hard, and flat paved path. Once on Spencer Island Park, the trails shift to more rustic surfaces like dirt, bark, and gravel. Recent improvements have added more paved surfaces, including the access road to Spencer Island, providing about five miles of smooth, hard surfaces overall.

What kind of wildlife can I expect to see along the route?

This area is a haven for wildlife, particularly birds. You can expect to see bald eagles, herons, ducks, sparrows, swallows, hawks, and various other waterfowl and shorebirds. Beyond birds, deer, coyotes, and river otters are also common sightings, especially on Spencer Island Park.

Is this trail suitable for beginners or families with strollers?

Yes, the trail is generally considered easy and is suitable for beginners. The paved sections from Langus Riverfront Park are wide, flat, and wheelchair-accessible, making them ideal for strollers. While the Spencer Island sections become more rustic, the main southern loop is generally well-maintained and manageable.

What are some notable features or landmarks along the route?

Beyond the stunning estuary views and abundant wildlife, you'll cross a historic jackknife bridge to access Spencer Island Park. On the eastern side of the island, you might spot an abandoned WWII-era Yard Seaplane Derrick (YSD-61), an interesting historical point.

How long does it typically take to jog the Langus Riverfront Trail & Spencer Island loop?

The full loop is approximately 9.16 km (5.69 miles). For an average jogger, it typically takes around 56 minutes to complete the entire route, as indicated by komoot's estimated duration of 3388 seconds.

Are there any sections of the Spencer Island loop I should be aware of?

While the southern loop on Spencer Island Park is generally well-maintained, be aware that some sections, particularly the southeastern and northern parts of the island, can become quite overgrown with tall grass, blackberry vines, and brambles. These areas might be less ideal for running and could require some navigation.

Does the trail intersect with other paths?

Yes, the route primarily follows the Langus Riverfront Trail for about 75% of its length. It also includes sections of the Dike Road for approximately 10% of the route.

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