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Lincoln County

Pacific Northwest Trail from Koocanusa Bridge to Webb Mountain

Routes
Hiking trails & Routes
Lincoln County

Pacific Northwest Trail from Koocanusa Bridge to Webb Mountain

Hard

1

hikers

Pacific Northwest Trail from Koocanusa Bridge to Webb Mountain

06:27

17.3km

1,080m

Hiking

Embark on a challenging hike along the Pacific Northwest Trail from Koocanusa Bridge to Webb Mountain, a difficult route that promises rewarding views. This strenuous journey covers 10.8 miles (17.3 km) and involves a substantial elevation gain of 3553 feet (1083 metres), typically requiring about 6 hours and 27 minutes…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Kootenai National Forest

Waypoints

A

Start point

Parking

Get Directions

1

96 m

Koocanusa Bridge

Highlight (Segment) • Bridge

The Koocanusa Bridge is the highest and longest bridge Montana. It also overlaps with the Pacific Northwest hiking Trail, which begins in Montana and ends in Cape Alava on the coast of Washington State.

Tip by

2

8.55 km

Webb Mountain Fire Lookout

Highlight • Summit

5,988-foot-tall Webb Mountain is home to a fire lookout tower that was built in 1959. There is a vault toilet on the premises, and the lookout tower can be rented …

Tip by

B

17.3 km

End point

Parking

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Way Types & Surfaces

Way Types

11.2 km

5.82 km

228 m

< 100 m

Surfaces

11.4 km

5.82 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.

Highest point (1,800 m)

Lowest point (760 m)

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Weather

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Today

Tuesday 26 May

24°C

12°C

92 %

Additional weather tips

Max wind speed: 12.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park for the Pacific Northwest Trail from Koocanusa Bridge to Webb Mountain?

The trailhead for this section of the Pacific Northwest Trail is located near the Koocanusa Bridge. Parking is typically available at or very close to the bridge, which serves as the starting point for the hike into the Kootenai National Forest.

How challenging is the hike from Koocanusa Bridge to Webb Mountain?

This hike is considered difficult and physically strenuous, requiring very good fitness. It involves a significant elevation gain of 3,354 feet over approximately 4.2 miles one way to the Webb Mountain Fire Lookout. While switchbacks help manage some of the steepness, be prepared for a demanding ascent.

What kind of terrain should I expect on the trail?

Hikers can expect a surface of dirt and rock, which may be loose in places. The trail includes several large steps and you might encounter downed trees. Despite its strenuous nature, navigation on this section is generally considered easy.

What are the main points of interest and views along the route?

The primary destination is the Webb Mountain Fire Lookout, which offers stunning 360-degree panoramas. You'll see Lake Koocanusa in the foreground, with the snowcapped Canadian Rockies to the north and other snowcapped peaks to the south. The entire area is within the Lake Koocanusa Scenic Byway corridor, providing picturesque views of the lake cutting a fjord-like gorge between the Purcell and Salish Mountains.

What is the best time of year to hike this section of the Pacific Northwest Trail?

Late spring and summer are ideal. Wildflowers, such as Arnica, Oregon Grape, Clematis, and yellow Glacier Lilies, are a highlight, blooming at different elevations, especially in late spring. The trail is less established, so avoiding snow season is recommended for safety and accessibility.

Is the Pacific Northwest Trail from Koocanusa Bridge to Webb Mountain dog-friendly?

Yes, dogs are generally allowed on trails within the Kootenai National Forest. However, it's always best to keep them on a leash to protect wildlife and ensure a pleasant experience for all hikers. Given the strenuous nature of the trail, ensure your dog is also fit for a challenging climb.

Do I need a permit or pay an entrance fee for this trail?

No, permits are generally not required for day hiking this section of the Pacific Northwest Trail within the Kootenai National Forest, nor are there entrance fees for the forest itself. However, if you plan to rent the Webb Mountain Fire Lookout for an overnight stay, separate reservations and fees would apply.

Is water available along the Pacific Northwest Trail from Koocanusa Bridge to Webb Mountain?

No, there is no water available along this section of the trail. Hikers should carry all necessary water for the entire duration of their hike, especially given the strenuous elevation gain.

What kind of wildlife and plants might I see along the way?

The Kootenai National Forest is home to diverse wildlife. You might spot signs of elk, ruby-crowned kinglets, woodpeckers, and grouse. The flora is also rich, with various wildflowers like Arnica, Oregon Grape, Clematis, and yellow Glacier Lilies, particularly vibrant in late spring.

Can I stay overnight on the trail?

Yes, the Webb Mountain Fire Lookout, located at the summit, can be rented for overnight stays. It also provides an outhouse. This offers a unique opportunity to experience the panoramic views at sunrise and sunset.

Does this section of the Pacific Northwest Trail connect with other trails?

Yes, this route is part of the broader Pacific Northwest Trail. Specifically, this section is fully covered by the 'Pacific Northwest Trail 01 Montana' and also includes portions of the 'Pacific Northwest Trail'. Additionally, it briefly intersects with 'National Forest Development Road 7179'.

Is this trail suitable for families or beginner hikers?

Due to its 'difficult' rating and significant elevation gain, this trail is not recommended for families with young children or beginner hikers. It requires very good fitness and is best suited for experienced hikers seeking a strenuous and rewarding challenge.

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