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Routes
Mountain biking trails
United States
Montana
Gallatin County

Skyline Trail

Moderate

4.8

(6232)

15,803

riders

Skyline Trail

03:37

35.7km

790m

Mountain biking

Mountain bike the moderate 22.2-mile Skyline Trail in Custer Gallatin National Forest, featuring 2579 feet of elevation gain and scenic view

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Custer Gallatin National Forest

Waypoints

A

Start point

Get Directions

1

17.9 km

Skyline Trail and Red Cub Trail Intersection

Highlight • Trail

This trail is packed with postcard views, wild flowers, and animal activity ranging from small critters to tertiary carnivores. The this intersection you are in a clearing located within the …

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B

35.7 km

End point

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Way Types & Surfaces

Way Types

19.6 km

16.1 km

< 100 m

Surfaces

19.6 km

13.3 km

2.78 km

< 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 (2,750 m)

Lowest point (2,050 m)

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Weather

Powered by Foreca

Today

Thursday 2 July

21°C

2°C

43 %

Additional weather tips

Max wind speed: 19.0 km/h

to get more detailed weather forecasts along your route

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This route was planned by komoot.

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Frequently Asked Questions

How long should I plan for a mountain bike ride on the Skyline Trail?

The Skyline Trail is a moderate mountain bike route covering approximately 35.7 kilometers (22.2 miles). You should plan for a ride duration of around 3 hours and 30 minutes to account for the distance and 786 meters (2,579 feet) of elevation gain.

Is the Skyline Trail suitable for beginner mountain bikers?

The Skyline Trail is rated as moderate. While it offers an engaging experience for intermediate riders, beginners might find some sections challenging due to the distance and elevation gain. It's best suited for those with some mountain biking experience and good physical fitness.

What kind of terrain can I expect on this mountain bike trail?

As a moderate mountain bike trail, you can expect a mix of terrain. This often includes singletrack sections, some climbs and descents, and potentially areas with loose forest material, scattered rocks, or roots. The route also incorporates sections of the official Skyline Trail and the Red Cub Trail.

Are dogs allowed on the Skyline Trail?

Yes, dogs are generally allowed on trails within the Custer Gallatin National Forest, which is where the Skyline Trail is located. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all trail users.

What is the best time of year to mountain bike the Skyline Trail?

The best time to ride the Skyline Trail is typically from late spring through early fall, roughly June through September. During these months, the weather is generally favorable, and the trail is free of snow. Always check local conditions before heading out, especially in shoulder seasons.

Are there any permits or entrance fees required for the Skyline Trail or Custer Gallatin National Forest?

Generally, there are no specific permits or entrance fees required to access the Skyline Trail or other trails within the Custer Gallatin National Forest for day use. However, always check the official Custer Gallatin National Forest website for any updated regulations or specific area restrictions before your visit.

What can I see along the route?

The route offers scenic views typical of the Custer Gallatin National Forest. A notable point of interest along the way is the Skyline Trail and Red Cub Trail Intersection, which is a key junction on your ride.

Does the Skyline Trail intersect with other paths?

Yes, the route utilizes sections of several official trails. Besides the main Skyline Trail, it also passes through parts of the Red Cub Trail and Nfs Route 36, offering a varied riding experience.

Where can I park to access the Skyline Trail?

Specific trailhead parking information is not provided in the tour data. However, for trails within national forests like Custer Gallatin, trailheads often have designated parking areas. It's advisable to consult a detailed map or local forest service resources for the most accurate parking locations near the start of the route.

What should I bring for a mountain bike ride on this trail?

For a moderate mountain bike ride of this length, you should bring plenty of water, snacks, a helmet, appropriate riding gear, a repair kit for your bike, and navigation tools (like a GPS device or the komoot app). Sun protection and layers of clothing are also recommended, as weather can change.

Are there any viewpoints or landmarks along the Skyline Trail?

While specific viewpoints are not detailed, trails in the Custer Gallatin National Forest often provide beautiful vistas of the surrounding mountain landscapes and forests. The Skyline Trail and Red Cub Trail Intersection is a key landmark on the route.

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