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Routes
Mountain biking trails
United States
Montana
Lewis And Clark County
Helena

1906 and Prospect Shafts Trail Loop

Easy

3.3

(22)

77

riders

1906 and Prospect Shafts Trail Loop

00:42

4.99km

280m

Mountain biking

1906 and Prospect Shafts Trail Loop offers a diverse 3.1-mile mountain biking experience on Mount Helena, combining gentle climbs with chall

Last updated: February 26, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 206 m for 1.66 km

Waypoints

A

Start point

Parking

Get Directions

1

187 m

Mount Helena Trail Junction

Highlight • Trail

Lots of choices from here. Prospect Shafts, 1906 (uphill only), & Prairie trails are just a few of the options.

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B

4.99 km

End point

Parking

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Way Types & Surfaces

Way Types

4.94 km

< 100 m

Surfaces

3.95 km

989 m

< 100 m

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Elevation

Elevation

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

Highest point (1,600 m)

Lowest point (1,320 m)

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Weather

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Today

Saturday 23 May

25°C

4°C

13 %

Additional weather tips

Max wind speed: 24.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to mountain bike the 1906 and Prospect Shafts Trail Loop?

The 1906 and Prospect Shafts Trail Loop is designed for mountain biking and generally takes about 40-45 minutes to complete. This duration can vary based on your fitness level and how often you stop to enjoy the scenery.

What is the terrain like on this mountain biking loop?

The terrain offers a diverse experience. The 1906 Trail section is generally a more gentle and shaded ascent with fewer rocks and roots, providing a steady climb. As you gain elevation, the scenery transitions from dense trees to limestone cliffs.

In contrast, the Prospect Shafts Trail is significantly more challenging, known for its brutal climb with an increasing grade and a consistently loose substrate of limestone rubble. This section can also be a "sketchy downhill" due to its rocky and loose nature. The lower part winds through conifers before opening to a wide, exposed area.

What are the key differences in difficulty between the 1906 Trail and the Prospect Shafts Trail sections?

The 1906 Trail is considered a moderate climb, making it a good warm-up for mountain bikers of varying fitness levels. It offers a gentle incline and steady ascent.

The Prospect Shafts Trail, however, is rated with a "Black Diamond" climb difficulty and a "Hard" physical rating for mountain biking. It demands good fitness and advanced riding skills due to its steep, increasing grade and loose surface. Overall, combining both trails into a loop makes for an intermediate to difficult ride.

Are there any notable features or viewpoints along the route?

Yes, the trail offers beautiful and changing scenery. Along the 1906 Trail, you'll pass by impressive limestone cliffs and can find a small hideout known as "Devil's Kitchen." The views from the top of Mount Helena, accessible via these trails, are panoramic and spectacular, overlooking the city of Helena. The upper sections of the Prospect Shafts Trail also open up to wide, exposed areas with expansive views.

The route also passes through the Mount Helena Trail Junction.

What is the best time of year to mountain bike this loop?

The Prospect Shafts Trail is known for often being the most reliably dry trail in the Mount Helena area due to its east-facing aspect and geology. This makes it a good option during shoulder seasons or after wet weather when other trails might be muddy. However, one user noted that in certain conditions, it can have alternating wet mud and hard ice, suggesting studded fat tires might be needed then. Generally, late spring through early fall offers the best conditions for mountain biking.

Where can I park to access the 1906 and Prospect Shafts Trail Loop?

The Mount Helena trail network, including this loop, is easily accessible from Helena. You can find parking areas around Mount Helena City Park, which serves as the primary trailhead for many routes in the area. Specific parking instructions are usually available on the city of Helena's official website.

Are dogs allowed on the trail, and what are the leash rules?

Mount Helena City Park, where this loop is located, is generally dog-friendly. However, it's always best to check the specific regulations for Mount Helena City Park on the helenamt.gov website, as leash laws and other rules can vary and may be updated.

Are permits or entrance fees required to access Mount Helena City Park or this trail?

Mount Helena City Park is a public park managed by the city of Helena. Typically, there are no entrance fees or permits required for day use of the trails within the park. For the most current information on any potential regulations or fees, it's advisable to consult the official helenamt.gov website.

Does this loop connect with other trails in the Mount Helena network?

Yes, the 1906 and Prospect Shafts Trail Loop is part of the extensive Mount Helena trail network. This route specifically uses sections of the 1906 Trail (54%) and the Prospect Shafts Trail (49%). It also intersects with or runs alongside parts of the Backside Trail, Prairie Trail, and Powerline Trail, allowing for longer rides or alternative routes within the system.

Is this loop suitable for beginner mountain bikers?

While the 1906 Trail section offers a more moderate and gentle ascent that could be manageable for beginners, the inclusion of the Prospect Shafts Trail significantly increases the overall difficulty. The Prospect Shafts Trail is rated as a "Black Diamond" climb due to its steep grade and loose, rocky surface, requiring good fitness and advanced riding skills. Therefore, the full loop is generally considered intermediate to difficult and may not be ideal for absolute beginners.

What is an insider tip for mountain biking the 1906 and Prospect Shafts Trail Loop?

If you're looking for reliably dry conditions, especially after rain or during shoulder seasons, the Prospect Shafts Trail is often your best bet due to its east-facing aspect and geology. However, be prepared for a challenging climb with loose limestone rubble. For a slightly less strenuous ascent, the 1906 Trail offers a more gentle and shaded path up the mountain.

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