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United States
Montana
Lake County

East Saint Marys Peak

Hard

4.9

(4537)

19,540

hikers

East Saint Marys Peak

08:16

11.6km

1,540m

Hiking

Embark on a challenging hike up East Saint Marys Peak, a difficult route spanning 7.2 miles (11.6 km) with an impressive 5067 feet (1544 metres) of elevation gain. You will spend approximately 8 hours and 16 minutes on the trail, starting through dense forests before ascending above the treeline. As you climb, you will encounter steep ascents and alpine paths, culminating in expansive views of the Bitterroot Valley and surrounding ranges from the summit. The sheer vertical scale of these mountains creates a memorable experience.

This demanding climb requires very good fitness, sure-footedness, sturdy shoes, and prior alpine experience. Be aware that some sections are technical and might necessitate specialist equipment. Before your visit, you should research and secure any required Salish Kootenai tribal recreation permits, as access may depend on it. Planning ahead ensures a smooth and safe adventure on this formidable peak.

Located within the Flathead National Forest, East Saint Marys Peak offers a deep dive into the rugged beauty of the Mission Mountains terrain. The trail provides a unique opportunity to witness the dramatic landscape and feel truly immersed among giants. This route stands out in the region for its significant elevation gain and the rewarding panoramic vistas it delivers to dedicated hikers.

Last updated: April 23, 2026

Tips

Includes a segment that may be dangerous

A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.

After 14 m for 11.6 km

Waypoints

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1

5.56 km

East Saint Marys Peak

Highlight • Summit

Reaching the summit requires a lot of commitment and perseverance, but the view from up here is absolutely breathtaking!

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11.6 km

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Way Types & Surfaces

Way Types

11.6 km

< 100 m

Surfaces

11.6 km

< 100 m

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Elevation

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Weather

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Today

Saturday 10 October

8°C

2°C

86 %

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Max wind speed: 5.0 km/h

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Frequently Asked Questions

Where can I park to access the East Saint Marys Peak trail?

Specific parking details for the East Saint Marys Peak trailhead are typically found at the entry points to the Mission Mountains Wilderness. It's advisable to check local forest service information or recent trail reports for the most current access points and parking availability.

Do I need any permits or pay entrance fees for this hike?

Yes, hiking in the Mission Mountains Wilderness, which is part of the Flathead National Forest and within the Flathead Indian Reservation, often requires a Salish Kootenai Tribal Recreation Permit. It's crucial to obtain this permit before your hike. Check with the Confederated Salish and Kootenai Tribes for current permit requirements and how to purchase them.

Is the East Saint Marys Peak trail dog-friendly?

Regulations regarding dogs in the Mission Mountains Wilderness can vary. Generally, dogs are allowed but must be kept on a leash to protect wildlife and ensure a positive experience for all users. Always verify the most current dog policies with the Flathead National Forest or the Confederated Salish and Kootenai Tribes before bringing your pet.

What is the best time of year to hike East Saint Marys Peak?

The best time to hike this trail is typically during the late summer and early fall months, usually from July through September, when the snow has melted from the higher elevations and weather conditions are more stable. Spring can still have significant snowpack, and winter hiking requires specialized skills and equipment.

What is the terrain like on the East Saint Marys Peak trail?

The trail begins with a direct and steep ascent through forested areas before emerging above the treeline onto a ridge. You'll encounter mostly accessible paths, but some sections are technical, difficult, or hazardous, requiring sure-footedness. The upper parts involve alpine hiking paths and unpaved surfaces.

What specific challenges should I expect on the East Saint Marys Peak trail?

This is a very tough and difficult hike, demanding very good fitness, sure-footedness, sturdy shoes, and alpine experience. It involves a significant elevation gain of over 1,500 meters (5,000 feet) and includes technical sections that may require specialist equipment and prior experience. Some segments can be dangerous.

What kind of views can I expect from East Saint Marys Peak?

The views from the summit of East Saint Marys Peak are consistently described as phenomenal and breathtaking. You'll be treated to expansive vistas of the Bitterroot Valley and the surrounding mountain ranges, with a surreal sense of being among giants due to the sheer scale of the mountains.

Are there any notable features along the route?

Beyond the stunning scenery, the primary notable feature is reaching the summit of East Saint Marys Peak itself, which is the second-highest peak in the Mission Mountains. The demanding climb culminates in an absolutely breathtaking view, making the perseverance worthwhile.

What gear or experience is recommended for this hike?

Due to its difficulty, you should have very good fitness, excellent sure-footedness, and sturdy hiking shoes. Alpine experience is highly recommended, and for some of the more challenging sections, specialist equipment may be necessary. Always carry ample water, layers of clothing, navigation tools, and emergency supplies.

Is the trail suitable for beginners?

No, the East Saint Marys Peak trail is not suitable for beginners. It is rated as difficult and very tough, requiring significant fitness, sure-footedness, and often alpine experience. Beginners should look for less challenging routes in the Mission Mountains Wilderness.

Are there any less challenging alternatives in the Mission Mountains Wilderness?

While East Saint Marys Peak is a demanding climb, the Mission Mountains Wilderness offers a range of trails. For less challenging options, it's best to research other trails within the Flathead National Forest or the Mission Mountains that have lower elevation gains and shorter distances, or are specifically rated as moderate or easy.

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