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Hiking trails & Routes
United States
Montana
Flathead County

Loneman Lookout Trail

Hard

3.2

(12)

86

hikers

Loneman Lookout Trail

08:04

24.0km

1,170m

Hiking

This challenging 14.9-mile hike to Loneman Lookout in Glacier National Park offers significant elevation gain and panoramic views.

Last updated: February 26, 2026

Tips

Includes off-grid segments

Navigation instructions may be limited.

After 0 m for 746 m

After 23.2 km for 753 m

Waypoints

A

Start point

Get Directions

1

517 m

Loneman Lookout trailhead & river crossing

Highlight • Trail

As you walk south from Nyack along the rail tracks keep an eye out for an orange marker on your left as you approach where the bridge crosses the railroad. You can follow the markers to the river crossing and up to the South Boundary Trail from here. After that the trail gets much easier to follow and you are rewarded with exceptional views from the top.

Tip by

2

4.86 km

Halfmoon Lake

Highlight • Lake

The towering white slopes cradling the crescent lake make this stretch of the hike a genuine reward for making it halfway up the trail.

Tip by

3

11.9 km

Loneman Lookout

Highlight • Viewpoint

From the summit of Loneman Mountain you are treated to possibly the best views in lower Glacier. There is a fire lookout at the top and level ground to pitch a tent.

Tip by

B

24.0 km

End point

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Way Types & Surfaces

Way Types

22.6 km

1.35 km

Surfaces

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Elevation

Elevation

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Highest point (2,150 m)

Lowest point (1,020 m)

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Weather

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Today

Tuesday 7 July

27°C

13°C

0 %

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Max wind speed: 8.0 km/h

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Frequently Asked Questions

What makes the Loneman Lookout Trail so challenging?

This trail is considered 'difficult' due to its significant elevation gain of over 1,170 meters and its length of nearly 24 kilometers. A substantial portion, around 5.4 miles, is uphill. Hikers should be in adequate physical condition, as it involves ascending through winding paths and requires a challenging river crossing.

What kind of terrain can I expect on the trail?

The trail features winding paths that initially lead to a large shelf. It then meanders through a forest of young larch and lodgepole pines, with remnants of older trees from a past fire. Much of the climb winds through open hillsides resulting from a previous burn, providing unobstructed views.

Are there any challenging river crossings on the route?

Yes, a notable and potentially hazardous aspect of this trail is the required fording of the Middle Fork of the Flathead River and Nyack Creek near the Loneman Lookout trailhead & river crossing. This crossing can be extremely dangerous, especially in the spring after snowmelt. It's crucial to assess water levels before attempting the hike.

What is the best time of year to hike the Loneman Lookout Trail?

The safest time to hike this trail is generally mid-August or later, depending on the snowpack. Early summer can be dangerous due to high water levels from spring runoff, making the river crossings particularly hazardous. Always check current conditions before you go.

What can I see along the route?

Hikers are treated to breathtaking scenery throughout the ascent. You'll get increasingly better views of the Nyack Flats and the Middle Fork. From the peak, enjoy vistas of Harrison Lake, Mount Jackson, and Walton Mountain. The Loneman Lookout offers remarkable views of the Nyack Valley, Harrison Lake Valley, and the Great Bear Wilderness, including Great Northern Mountain and Stanton Glacier. You'll also pass by Halfmoon Lake.

Is the Loneman Lookout Trail a loop or an out-and-back route?

The Loneman Lookout Trail is an out-and-back route, meaning you will return the same way you came. This allows you to re-experience the stunning views and terrain from a different perspective on your descent.

Where does the trail start and is there parking available?

The trail starts at the Loneman Lookout trailhead & river crossing. Information regarding specific parking facilities or shuttle services for this remote trailhead is limited, so it's advisable to research current access details and parking regulations for Glacier National Park before your visit.

Are dogs allowed on the Loneman Lookout Trail?

No, dogs are generally not permitted on trails within Glacier National Park, including the Loneman Lookout Trail, to protect wildlife and ensure visitor safety. Service animals are an exception, but restrictions may still apply in certain areas. Always check the latest park regulations.

Do I need a permit or is there an entrance fee for Glacier National Park?

Yes, as the Loneman Lookout Trail is located within Glacier National Park, you will need to pay an entrance fee to access the park. Additionally, during peak season (typically late May through early September), a vehicle reservation may be required for certain areas of the park. Always check the official Glacier National Park website for the most current information on fees, permits, and reservation requirements before your trip.

Does the trail intersect other well-known paths?

Yes, the route also passes through sections of the Loneman Lookout, South Boundary, Nyack Crossing, Nyack Creek, and Nyack Pack Trail.

What is the level of remoteness and solitude on this trail?

This trail takes hikers through remote parts of Glacier National Park where visitors rarely venture, offering a significant opportunity for solitude and a true wilderness experience. It's an ideal choice for those seeking a challenging adventure away from more crowded areas.

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