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Montana

Gallatin County

The best traffic-free bike rides in Gallatin County

By Fede from komoot

·

Updated May 10, 2026

If you've ever tried to plan touring cycling in Gallatin County, you know how overwhelming the options can be. With so many routes crisscrossing this stunning part of Montana, it's tough to tell which ones are genuinely worth your time and effort, and which are just filler. We get it – you want the real highlights, not just a list of every path.

That's where komoot comes in. Our community has mapped, ridden, and reviewed these routes, giving you a curated shortlist of the best touring cycling experiences Gallatin County has to offer. We've done the legwork so you can skip the guesswork and get straight to the good stuff.

Touring cycling in Gallatin County is defined by its dramatic contrasts: from the challenging ascents of the Bridger, Gallatin, and Madison mountain ranges to the gentler river valleys like the Gallatin and Madison. You'll find expansive forests and open meadows, offering everything from easy paths to demanding mountain climbs. Just remember that many of the higher elevation routes will have seasonal access, typically opening later in the spring once the snow clears.

If you only do one route, make it the challenging Hyalite Reservoir – Hyalite Reservoir loop from Bobcat Stadium. At 38.7 miles (62.3 km) with over 2,136 feet (651 m) of climbing, it’s a big payoff for your legs, offering incredible scenic views around the reservoir. For a different kind of challenge that explores varied terrain with substantial climbs, the difficult Museum of the Rockies – Mystic Lake Cabin loop from Bozeman is another local favorite, covering 35.6 miles (57.4 km). Ready to explore? More than 300 touring cyclists have already used komoot to discover these routes and more.

If you only do 3 of these routes

  1. 1

    The Gallagator Trail – Hyalite Reservoir loop from Bobcat Stadium
  2. 2

    Mystic Lake Cabin – The Gallagator Trail loop from Bozeman
  3. 3

    West Yellowstone – Reas Pass loop from West Yellowstone

Compare these routes at a glance

Trail

Distance

Elevation

Difficulty

The Gallagator Trail – Hyalite Reservoir loop from Bobcat Stadium

63.9 km

640 m

Hard

Mystic Lake Cabin – The Gallagator Trail loop from Bozeman

56.7 km

640 m

Hard

West Yellowstone – Reas Pass loop from West Yellowstone

29.6 km

120 m

Easy

Sourdough Trail – Sourdough Trail Grafs Park loop from Bozeman

49.3 km

620 m

Hard

Sourdough Trail – Triple Tree Trail loop from Bozeman

23.3 km

190 m

Moderate

Main Street – Story Mill Nature Reserve loop from Bozeman

28.1 km

230 m

Moderate

Highland Glen Nature Preserve – The Gallagator Trail loop from Bobcat Stadium

14.6 km

110 m

Easy

Highland Glen Nature Preserve – Sourdough Trail Grafs Park loop from Highland Glen Trailhead

16.2 km

120 m

Easy

Triple Tree Trail – Highland Glen Nature Preserve loop from Highland Glen Trailhead

18.0 km

230 m

Moderate

Triple Tree Trail – Triple Tree summit loop from Bobcat Stadium

19.0 km

330 m

Moderate

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1.

The Gallagator Trail – Hyalite Reservoir loop from Bobcat Stadium

63.9km

04:04

640m

640m

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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10.

Triple Tree Trail – Triple Tree summit loop from Bobcat Stadium

19.0km

01:36

330m

330m

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Tips from the Community

Andrus
September 9, 2025, West Yellowstone

West Yellowstone serves as the main entry point along the western edge of Yellowstone National Park, and it is well equipped to handle visitors. You'll find a wide range of accommodation and dining options as well as grocery stores. It's a good place to resupply for those on the Great Divide Mountain Bike Route.

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Alder Creek Park is a small park with trails, a playground, and a dog station.

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This is the trail head for the Triple Tree Trail. It is a popular loop in the southern suburbs of Bozeman, frequented by runners, hikers, and bikers. Expect to encounter plenty of other trail users, especially on nice days. Much of the route winds through forested areas, eventually leading to a bald summit with a bench and sweeping views of Bozeman and the Bridger Range. The lookout is exposed, offering little to no shade.

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Nice pedestrian bridge over the South Fork of the Madison River. The bridge is part of the Yellowstone Shortline Trail.

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David
July 21, 2024, Mystic Lake Cabin

don'tiss the turn up the single track. My tracker went into sleep, but if you sleep you might miss the turn

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The Museum of the Rockies is linked with the Smithsonian and is a vital place for state and federal fossils. It's a fantastic stop for anyone interested in the history of the Northern Rocky Mountain area. You'll find an incredible collection of dinosaur fossils, including a full Montana T. rex skeleton, showcasing its leading role in paleontological research and exhibitions.

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The Gallagator Trail, once a slow-speed railway line known for its leisurely pace, has been transformed into a vibrant linear park connecting Montana State University and Downtown Bozeman. With Langhor Park along the way featuring a community garden, climbing boulder, natural playground, and a pollinator garden, it serves as a beloved route for both commuters and outdoor enthusiasts.

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Christopher
August 30, 2023, Reas Pass

The Reas Pass lies essentially on the Idaho-Montana border, but modern maps show that the summit lies entirely in Idaho, because the Divide and the state line do not quite coincide here. The pass is also somewhat unusual in that, despite being the lowest crossing of the Divide in the vicinity, it has evidently never been traversed by a highway of any significance.

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Frequently Asked Questions

How many no-traffic touring cycling routes are available in Gallatin County?

There are over 25 dedicated no-traffic touring cycling routes in Gallatin County, offering a variety of experiences for all skill levels. You'll find 12 easy routes, 9 moderate, and 5 challenging options to explore.

What kind of terrain can I expect on no-traffic touring cycling routes in Gallatin County?

Gallatin County's no-traffic routes offer diverse terrain, from the gentle slopes of river valleys to more challenging climbs in the foothills of the Bridger, Gallatin, and Madison mountain ranges. You'll encounter a mix of paved paths, gravel roads, and forested trails, providing varied surfaces and elevations.

Are there any family-friendly no-traffic touring cycling routes in Gallatin County?

Yes, several routes are suitable for families. For an easier ride with a mix of urban and natural scenery, consider Sourdough Trail – The Gallagator Trail loop from Bozeman, which is just under 20 km. The West Yellowstone – Reas Pass loop from West Yellowstone is another easy option, offering a relatively flat ride of about 29 km.

What natural features or landmarks can I see along these routes?

Many routes offer stunning views and access to natural attractions. You might pass by beautiful lakes like Fairy Lake or enjoy vistas of prominent peaks such as Mount Blackmore. The Missouri Headwaters State Park is also accessible from some routes, offering historical and natural significance.

What is the best time of year for no-traffic touring cycling in Gallatin County?

The best time for touring cycling in Gallatin County is typically from late spring through early autumn (May to October). During these months, the weather is generally mild, and most trails are free of snow. Summer offers the warmest temperatures, while spring and fall provide cooler rides and vibrant scenery.

Are there any challenging no-traffic touring cycling routes for experienced riders?

Absolutely. For experienced cyclists seeking a challenge, routes like the Hyalite Reservoir – Hyalite Reservoir loop from Bobcat Stadium offer significant elevation gains over 60 km. Another demanding option is the Museum of the Rockies – Mystic Lake Cabin loop from Bozeman, which covers over 57 km with substantial climbing.

Are dogs allowed on the no-traffic touring cycling routes?

Dog policies vary by specific trail and land management. While many trails in Gallatin County are dog-friendly, it's always best to check local regulations for each specific route or park you plan to visit. Always keep dogs on a leash and pack out waste.

Are there any circular no-traffic touring cycling routes?

Yes, many of the no-traffic touring cycling routes in Gallatin County are designed as loops, allowing you to start and end at the same point. Examples include the Hyalite Reservoir loop and the West Yellowstone – Reas Pass loop, providing convenient options for day trips.

What are the typical lengths of no-traffic touring cycling routes in Gallatin County?

Route lengths vary significantly to accommodate different preferences and fitness levels. You can find shorter, easy routes around 10-20 km, such as the Sourdough Trail – The Gallagator Trail loop. Longer, more challenging routes can extend over 60 km, like the Hyalite Reservoir loop.

What do other touring cyclists enjoy most about cycling in Gallatin County?

The area is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the stunning mountain views, the peacefulness of the car-free paths, and the diverse landscapes that make each ride unique. The variety of routes, from gentle valley rides to challenging mountain ascents, is also frequently highlighted.

Where can I find parking for these no-traffic routes?

Parking availability depends on the specific trailhead. Many routes start near towns like Bozeman or West Yellowstone, where public parking lots or designated trailhead parking areas are often available. For example, the Hyalite Reservoir loop starts from Bobcat Stadium, which typically has parking options.

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