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Routes
Mountain biking trails
United States
Montana
Gallatin County

Blackmore Trail

Hard

4.8

(9395)

17,809

riders

Blackmore Trail

02:38

17.8km

1,070m

Mountain biking

Embark on the Blackmore Trail, a difficult mountain biking route that challenges you with its substantial 3497 feet (1066 metres) of elevation gain over 11.1 miles (17.8 km). As you climb, you'll navigate through the dense Gallatin Forest, experiencing a mix of alpine singletrack and sections of loose rock. The…

Last updated: April 23, 2026

Tips

Includes very steep uphill segments

You may need to push your bike.

After 767 m for 1.38 km

After 2.78 km for 6.13 km

Waypoints

A

Start point

Parking

Get Directions

1

109 m

Hyalite Reservoir

Highlight • Lake

Hyalite Reservoir is a large artificial lake that affords opportunities for day-use hiking, easy strolls, or the perfect launching point for more aggressive, big-mountain singletrack riding. Even if a bit busy, plenty of parking is available.

Tip by

2

8.83 km

Mount Blackmore

Highlight • Summit

Mount Blackmore (10,154 ft ) offers amazing views of the Gallatin Range.
You can reach the top hiking the Blackmore Trail and the less ambitious hikers can stop to the Blackmore Lake.

Tip by

3

14.9 km

Blackmore Lake

Highlight • Lake

Yet another stunning, high-alpine lake in this region that will reward your efforts on the climb and provide an ideal break and snack spot for either the climb or the descent.

Tip by

B

17.8 km

End point

Parking

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Way Types & Surfaces

Way Types

17.5 km

300 m

Surfaces

17.5 km

300 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Today

Wednesday 27 May

18°C

7°C

54 %

Additional weather tips

Max wind speed: 6.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the terrain like on the Blackmore Trail?

The trail offers a diverse range of terrain, including alpine singletrack, loose rock sections, lengthy rock gardens, and smooth forest paths. Riders should also be prepared for off-camber roots and significant sections where 'hike-a-bike' is necessary, especially on the ascent.

Is the Blackmore Trail suitable for beginners?

No, the Blackmore Trail is rated as a Black Diamond difficulty, indicating it's an expert-level route with an 'Extreme' physical rating. It features substantial elevation gain, technical terrain, and extended hike-a-bike sections, making it unsuitable for beginners.

Where does the Blackmore Trail start and is there parking available?

The trail starts from the trailhead in Hyalite Canyon, near Bozeman, Montana. Parking is typically available at the trailhead, but it's a popular spot, so arriving early, especially on weekends, is advisable.

What scenic views or landmarks can I expect along the route?

As you ascend, the trail winds through the Gallatin Forest to Blackmore Lake and then climbs to a cirque at the base of Mount Blackmore. From the saddle, you can enjoy panoramic views of surrounding mountains and look back down on Hyalite Reservoir.

What is the best time of year to ride the Blackmore Trail?

The best time to ride is generally from late spring to early fall. Snow can linger on the mountainsides even into late summer, so checking conditions is crucial. Fall colors can also make for a particularly scenic ride.

Is the Blackmore Trail dog-friendly?

Yes, dogs are generally allowed on the Blackmore Trail. However, it's important to keep them on a leash and practice Leave No Trace principles, especially since you'll be sharing the trail with hikers and horses.

Are there any permits or fees required to ride this trail?

No specific permits or entrance fees are required to access the Blackmore Trail itself. It is located within the Custer Gallatin National Forest, which generally does not require permits for day use activities like mountain biking.

What are the regulations for mountain biking in Custer Gallatin National Forest?

When riding in Custer Gallatin National Forest, always follow Leave No Trace principles. Stay on designated trails, yield to hikers and horses, control your speed, and be prepared for changing weather conditions. Check the forest's official website for any specific area closures or seasonal restrictions.

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

The Blackmore Trail is generally ridden as an out-and-back route. However, there is an option to connect to the South Cottonwood drainage for a longer, adventurous shuttle ride, transforming it into a point-to-point experience.

Are there any sections where I might need to walk my bike?

Yes, the Blackmore Trail is well-known for its significant 'hike-a-bike' sections, particularly on the ascent. Riders should expect to push their bikes for considerable portions due to the steep grades and technical terrain.

Does the trail intersect other well-known paths?

Yes, while primarily following the Blackmore Trail (100%), the route also passes through sections of the Fs 3153 and the Fs 3153D.

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