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Hiking trails & Routes
United States
Idaho
Custer County

Borah Peak Trail

Hard

2.8

(14)

66

hikers

Borah Peak Trail

07:29

11.6km

1,320m

Hiking

Embark on the Borah Peak Trail for a truly demanding hiking experience, leading you to Idaho's highest point. This difficult route spans 7.2 miles (11.6 km) and challenges you with a significant 4336 feet (1322 metres) of elevation gain, typically taking around 7 hours and 29 minutes to complete. You will begin your ascent through wooded areas dotted with sagebrush and Bristlecone Pines, transitioning to a rocky path above the treeline that opens up to expansive 360-degree views of the Lost River Range and Pioneer Mountains.

For a successful summit, plan your visit for late summer or early autumn when snow has largely melted, as early season conditions, particularly on Chicken-Out Ridge, might necessitate mountaineering gear. Starting your hike early in the morning is highly recommended to avoid both weekend crowds and the potential for afternoon thunderstorms. Be aware that this trail is popular, especially on weekends, so an early start also helps secure parking and a more serene experience.

The Borah Peak Trail is renowned for its infamous Chicken-Out Ridge, a Class 3/4 scramble that presents a thrilling and memorable challenge on your way to the top. This section requires careful navigation and a head for heights, rewarding you with unparalleled vistas from the summit across Idaho's vast mountainous landscape. It is a defining feature that sets this climb apart, making it a bucket-list hike for many experienced adventurers.

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 2.84 km for 5.96 km

Waypoints

A

Start point

Parking

Get Directions

1

3.06 km

Borah Peak Viewpoint

Highlight • Viewpoint

The approach trail to Borah Peak, Idaho's highest mountain, is wonderfully scenic, although it's also unremittingly steep. It's well-trodden, so you shouldn't have too much difficulty following it up to where the fun begins on Chicken Out Ridge.

Tip by

2

5.64 km

Chicken Out Ridge

Highlight • Climb

Chicken Out Ridge is a narrow arête that leads to the summit of Idaho's highest point, Borah Peak. It is a challenging scramble and requires a decent head for heights. Experienced hikers who enjoy a bit of an adrenaline rush will revel in the ascent.

If you are attempting the ascent to Borah Peak, stick to the crest and do not take the faint bypass path to the left, as hikers have been known to get into difficulty by doing this. Remember: crest is best!

Tip by

B

11.6 km

End point

Parking

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Way Types & Surfaces

Way Types

5.99 km

5.66 km

Surfaces

11.6 km

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Elevation

Elevation

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Wednesday 6 May

16°C

-1°C

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Frequently Asked Questions

How challenging is the Borah Peak Trail?

This trail is considered extremely difficult and strenuous, suitable only for experienced hikers with excellent physical fitness. It involves a significant elevation gain of over 5,200 vertical feet in just 4 to 4.2 miles, averaging nearly 1,300 feet per mile. The route includes steep, loose terrain and exposed scrambling sections.

What is 'Chicken-Out Ridge' and how difficult is it?

Chicken-Out Ridge is a notorious section of the trail, a Class 3/4 scramble located around 11,200 to 11,300 feet. It's narrow, exposed, and requires careful climbing, with parts where a fall could be very serious. Many hikers turn back at this point due to its technical demands. Early in the season, it can be snow-covered, requiring mountaineering gear like an ice axe and crampons.

What is the best time of year to hike Borah Peak?

The best time to hike Borah Peak is typically in late summer and early autumn, when most of the snow has melted and weather conditions are generally more stable. Starting your hike very early in the morning is highly recommended to avoid afternoon thunderstorms and crowds, especially on weekends.

Do I need a permit or is there an entrance fee for the Salmon-Challis National Forest?

As of current information, there are no specific permits required for day hiking the Borah Peak Trail itself, nor are there entrance fees for the Salmon-Challis National Forest where it is located. However, always check the official Forest Service website for the latest regulations before your trip.

Where can I park for the Borah Peak Trail?

The trailhead for Borah Peak is accessible by car. There is a parking area available at the base of the mountain. Given the trail's popularity, especially on weekends, arriving early is crucial to secure a parking spot.

Is the Borah Peak Trail dog-friendly?

While dogs are generally permitted in the Salmon-Challis National Forest, the extreme difficulty and exposed scrambling sections, particularly Chicken Out Ridge, make this trail unsuitable for most dogs. It's highly recommended to leave your canine companions at home for their safety and yours.

What kind of terrain can I expect on the ascent?

The trail begins with a steep but defined path through wooded areas with sagebrush and Bristlecone Pines. As you gain elevation, it transitions above the treeline into open, rocky slopes. Expect sections of steep, loose dirt, followed by challenging loose limestone scree and talus, which can be very tiring. Beyond Chicken Out Ridge, the final push to the summit involves more steep sections over loose rocks and slabs.

What are the main points of interest or landmarks along the route?

The most notable landmark is Chicken Out Ridge, a challenging and exposed scramble. As you ascend, you'll also encounter the Borah Peak Viewpoint, offering stunning vistas. The summit itself provides panoramic 360-degree views of the surrounding Lost River Range, Pioneer Mountains, and Lemhi Range.

How long does it typically take to hike the Borah Peak Trail?

This is a full-day endeavor. While the komoot tour data estimates approximately 7.5 hours for the 11.6 km (7.2 miles) round trip, many hikers, especially those navigating the challenging sections, will take longer. Plan for 8-12 hours, depending on your pace, breaks, and comfort level with exposure.

Does the trail intersect other well-known paths?

Yes, the route primarily follows the Borah Peak Trail for its entire length. However, it also passes through sections of the False Left Trail, Foolish Bypass, and White Gully, which are official trails in the area.

What should I pack for a hike up Borah Peak?

Given the trail's difficulty and exposure, pack essentials for a strenuous alpine hike. This includes plenty of water (there's no water source on the trail), high-energy snacks, layers of clothing for varying temperatures, rain gear, sun protection, a headlamp, a first-aid kit, and sturdy hiking boots. If hiking early season, an ice axe and crampons may be necessary for Chicken Out Ridge.

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