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Routes
Mountain biking trails

Fairy Lake loop

Moderate

1

riders

Fairy Lake loop

00:57

8.24km

270m

Mountain biking

Mountain bike the moderate 5.1-mile Fairy Lake loop in Custer-Gallatin National Forest, featuring alpine lake views and the Bridger Range.

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

Parking

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1

4.22 km

Fairy Lake

Highlight • Lake

Fairy Lake is a high elevation lake tucked in the trees just below treeline in Custer Gallatin National Forest. There is camping close by and a trailhead for gaining access …

Tip by

B

8.24 km

End point

Parking

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Way Types & Surfaces

Way Types

4.10 km

3.47 km

443 m

213 m

Surfaces

3.76 km

3.47 km

996 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 (2,320 m)

Lowest point (2,070 m)

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Weather

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Today

Monday 1 June

11°C

2°C

53 %

Additional weather tips

Max wind speed: 15.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park for the Fairy Lake loop?

Parking is available at the Fairy Lake trailhead. Be aware that the road leading to the trailhead (Fairy Lake Road) is a rough dirt road with potholes and some steep sections, so a high-clearance vehicle is advisable.

Is the Fairy Lake loop dog-friendly?

Yes, dogs are generally allowed on the trail. However, as this area is within the Custer Gallatin National Forest, it's always best to check current regulations regarding leash requirements and waste disposal. Remember to be respectful of other trail users and wildlife.

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

The best time for mountain biking the Fairy Lake loop is typically between June and October. During winter months, the road leading to Fairy Lake can become impassable due to snow.

Are there any permits or fees required to mountain bike the Fairy Lake loop?

Generally, no specific permits or fees are required for day-use mountain biking on the Fairy Lake loop within the Custer Gallatin National Forest. However, it's always a good idea to check the official USDA Forest Service website for any updated regulations or alerts before your visit.

Is the Fairy Lake loop suitable for beginner mountain bikers?

While sections of the Fairy Lake loop are considered easy, the overall route is rated as 'moderate' for mountain biking. It requires good fitness and some advanced riding skills due to varied terrain, including rocky sections and ruts. A shorter, 1.2-mile loop directly around Fairy Lake is easier with minimal elevation gain.

What kind of terrain can I expect on the route?

The terrain varies. The singletrack directly around Fairy Lake is generally smooth. However, if approaching via the Fairy Creek Trail, you'll encounter a mix of wide, smooth paths, curvier sections through meadows, and over wooden bridges. The northern portion of the Fairy Creek Trail can become rockier with small embedded and loose rocks, ruts, and occasional mud.

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

The primary highlight is the stunning Fairy Lake itself, a beautiful alpine lake nestled at the base of Sacagawea Peak. The Fairy Creek Trail also offers wide-open vistas of the Bridger Range. You'll experience rich natural beauty, including forested areas, open meadows, and seasonal wildflowers.

What wildlife might I encounter on the trail?

The area is known grizzly bear territory, so it's crucial to be bear-aware and carry bear spray. You may also encounter other wildlife common to the Custer Gallatin National Forest.

Does the Fairy Lake loop connect with other trails?

Yes, the route utilizes sections of several official trails, including the Fairy Creek Trail, Fairy Lakeshore Trail, Fairy Lake Access Trail, and Sacagawea Pass. This connectivity allows for various route options and access to other prominent features of the Bridger Range.

Are there any specific regulations for mountain biking in Custer Gallatin National Forest?

When mountain biking in Custer Gallatin National Forest, always follow Leave No Trace principles. Be aware that the area is multi-use, so you may encounter hikers, runners, and horseback riders. Yield to others, especially horses. Always check for current fire restrictions or area closures before heading out.

Is the Fairy Lake loop accessible during winter?

No, the road leading to Fairy Lake is typically impassable during winter months due to snow, making the loop inaccessible for mountain biking during that season.

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