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Routes
Hiking trails & Routes
United States
Idaho
Elmore County

Kepros Mountain Trail

Moderate

4.6

(1968)

16,612

hikers

Kepros Mountain Trail

04:19

14.2km

480m

Hiking

Embark on the Kepros Mountain Trail, a moderate hiking route that spans 8.8 miles (14.2 km) and climbs 1590 feet (485 metres) over an estimated 4 hours and 19 minutes. As you ascend, you will be treated to expansive panoramic views from the ridges and summit, showcasing the city of…

Last updated: April 23, 2026

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Your route passes through protected areas

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Waypoints

A

Start point

Parking

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1

7.48 km

Kepros Mountain

Highlight • Summit

B

14.2 km

End point

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Way Types & Surfaces

Way Types

7.12 km

7.06 km

Surfaces

14.2 km

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Elevation

Elevation

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Weather

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Today

Saturday 9 May

22°C

4°C

0 %

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Max wind speed: 16.0 km/h

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Frequently Asked Questions

Is the Kepros Mountain Trail suitable for beginners?

No, this trail is generally considered a challenging and strenuous hike. It features significant elevation gain and loss, steep sections, and varied terrain, making it more suitable for hikers with some experience. While rated as 'moderate' overall, its undulating nature means you'll gain considerable elevation even on the return journey.

What is the best time of year to hike this trail?

The Kepros Mountain Trail is best hiked in the spring and early summer, particularly in May when wildflowers are abundant. It's also recommended as a great early-season hike when higher elevations still have snow. It's advisable to avoid the area during the fall hunting season. Winter hiking is possible with appropriate gear and skills.

Are dogs allowed on the Kepros Mountain Trail?

The provided information does not specify restrictions on dogs for the Kepros Mountain Trail. As it is located within the Boise National Forest, dogs are generally permitted but should always be kept under control, and leash laws may apply depending on the specific area or season. Please practice Leave No Trace principles and pack out all waste.

Do I need a permit or pay an entrance fee to hike in the Boise National Forest?

Generally, there are no entrance fees or permits required for day hiking on trails like Kepros Mountain within the Boise National Forest. However, it's always a good idea to check the official Boise National Forest website for any current regulations or specific area restrictions before your visit, especially for overnight stays or certain activities.

What kind of terrain can I expect on the route?

The trail traverses a mix of terrain, including former 4WD roads, old motorcycle paths, and well-worn use trails. You'll often find yourself on a rocky, windswept ridge. The path can be steep in places, with an initial climb followed by significant undulations, meaning continuous ascents and descents throughout the hike.

What can I see along the Kepros Mountain Trail?

Hikers are treated to spectacular panoramic views from the ridges and the summit of Kepros Mountain. You can see the city of Boise, Lucky Peak Reservoir, and the impressive Boise and Trinity Mountains. On clear days, distant views of the rugged Sawtooth Mountains are also visible. The open country is characterized by sagebrush and native grasses, with wildflowers in May.

Is there water available on the trail, and what should I bring?

There is no water and very little shade along the Kepros Mountain Trail. It is crucial to bring plenty of water, especially on warmer days. Other essentials include appropriate hiking footwear, sun protection (hat, sunscreen), layers of clothing, snacks, and a map or GPS app, as the trail is not always well-signposted.

Does the trail intersect other well-known paths?

Yes, the route also passes through sections of the Bypass 5, Bypass 4, Bypass 3, Bypass 2, and Bypass 1 trails. These bypasses were established to help hikers avoid some of the more significant elevation gains and losses along the original ridgeline.

What wildlife might I encounter on the hike?

The area is known for its wildlife, particularly deer and elk, which are frequently spotted. The trail offers a sense of solitude, increasing your chances of observing local fauna in their natural habitat.

Are there any unique features or insider tips for hiking this trail?

Kepros Mountain is one of Boise's 'Grand Slam Peaks,' making it a popular goal for local hikers. An interesting, albeit 'freaky,' side attraction mentioned by one hiker includes signs with skull and crossbones found midway along the trail. For navigation, a GPS app is highly recommended as signage can be inconsistent. Also, be aware that the trail undulates significantly, so prepare for continuous elevation changes.

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Moderate

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Kepros Mountain Trail

04:19h

14.2km

480m

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