Colin FosterBy Colin Foster

Updated November 2026

Fort Collins bike trails give you a mix of paved river paths, rail-to-trail corridors and gravel roads that climb into the foothills. This guide walks you through the main routes, how long each one runs, how much climbing to expect and where to stay so you can plan a ride that matches your fitness and your interests. Whether you want an easy family spin or a full-day loop into the Roosevelt National Forest, you will finish with a shortlist of routes and a plan for getting out the door.

Why Fort Collins Works Well for Cyclists

Fort Collins sits at roughly 5,000 feet along the Front Range, where the plains meet the Rocky Mountains. That location gives riders two very different kinds of terrain within a short drive of each other. The city has built out a network of off-street paths that connect neighborhoods, parks and the Colorado State University campus, so you can ride long distances without much road traffic. Head west and the foothills start rising quickly, with climbing that ranges from gentle grades on county roads to steep gravel pitches near the national forest boundary.

Shopping for one? See our guide: 6 Best Bike Trails in United States for Every Rider (2026).

Weather is the other factor to plan around. Summer afternoons can bring heat above 90°F and sudden thunderstorms, while spring and fall offer the most consistent riding. Winter days are often clear and dry, though cold mornings and occasional snow mean you should check conditions before heading into higher terrain.

The Main Fort Collins Bike Trails at a Glance

Before choosing a route, it helps to compare the big options side by side. Distances below are approximate one-way figures for the core segment, and elevation gain varies depending on the exact loop you build.

Route Surface Approx. Distance Elevation Gain Best For
Poudre River Trail Paved About 10 to 12 miles one way in town Minimal Relaxed rides, families, commuting
Spring Creek Trail Paved About 6 miles Minimal Easy loops, connecting to campus
Mason Trail Paved About 5 miles Minimal Linking north and south city paths
Horsetooth Mountain Park loop Mixed paved and gravel About 10 to 20 miles depending on loop Moderate to strong Climbing practice, scenic views
Poudre Canyon road riding Paved road Out-and-back options of 20 to 50+ miles Significant Road riders seeking long climbs
Gravel roads west of town Gravel and dirt Varies widely Moderate to strong Gravel bikes and bikepacking

Route Guide: Riding the Paved Corridors

The paved paths are the backbone of riding in Fort Collins. They are wide, well marked and mostly separated from car traffic, which makes them good for beginners, children on bikes with training wheels and anyone building endurance.

Poudre River Trail

The Poudre River Trail follows the Cache la Poudre River through the middle of town and is the most popular path for good reason. Most riders can cover the in-town section at a steady pace in under an hour, and the trail gives you a natural flat base for warming up before harder rides. Expect cyclists, runners and dog walkers at busy times, so keep your speed moderate near underpasses and bridges. Plan for occasional gravel-and-cinder sections in some stretches depending on maintenance.

Spring Creek Trail

Spring Creek Trail runs east to west across the south side of town and links several parks and the campus area. It works well for a short out-and-back of 10 to 15 miles total, and it pairs nicely with the Poudre River Trail if you want a longer loop that stays off the main roads for most of its length.

Building a Simple Paved Loop

A practical beginner route is to start at a central park, ride the Poudre River Trail for several miles, cross to Spring Creek Trail and return via a connecting path. Keep track of your route on a phone map or cycling app, because the path network has many junctions and it is easy to take a turn you did not intend.

Route Guide: Foothills and Horsetooth Mountain Park

Once you are comfortable on the flats, the foothills offer the climbing and views that make Fort Collins popular with serious riders. Horsetooth Mountain Park, just southwest of town, is the main destination for this kind of riding.

Horsetooth Mountain Park Loops

Horsetooth Reservoir and the surrounding park feature a mix of paved roads and dirt routes. A common loop of 15 to 20 miles combines a paved climb with a descent and some rolling sections around the water. Climbing varies with the route you choose, but expect a noticeable grind on the approach roads. Check current trail and road conditions with park staff, since closures and seasonal restrictions do happen. Riders who want technical singletrack should look at mountain bike routes instead of gravel-friendly roads.

Poudre Canyon

Poudre Canyon Highway, also called State Highway 14, is a well-known road ride that climbs along the river toward the mountains. Out-and-back rides of 40 to 60 miles with several thousand feet of gain are typical for experienced road cyclists. Traffic can be heavy on weekends, and the canyon has narrow sections, so ride single file, wear bright clothing and use lights if you ride early or late in the day. Carry more water than you think you need, because services are limited once you leave town.

Gravel and Dirt Roads

The county roads west and north of Fort Collins offer some of the best gravel riding on the Front Range. Surfaces range from smooth packed dirt to loose washboard, and a wider tire with some tread will make the ride far more comfortable. Route planning matters here, because some roads are private or closed seasonally, and cell coverage can drop out in remote areas.

How to Plan a Ride on Fort Collins Bike Trails

Good planning turns a decent ride into an enjoyable one. Follow these steps before you leave the house.

  1. Pick your goal: an easy paved spin, a climbing session or a full-day gravel loop.
  2. Check the forecast for temperature, wind and storm risk, especially for afternoon rides in summer.
  3. Download the route to a navigation device or app, and save an offline copy in case you lose signal.
  4. Confirm trail, road and park status, including any seasonal closures or construction.
  5. Pack water, food, a spare tube, a pump or CO2 inflator, a multitool and a basic first-aid kit.
  6. Tell someone your route and expected return time, particularly for backcountry or canyon rides.

Where to Stay

Staying in town puts you close to the paved network and makes it easy to start rides without loading your car. Downtown Fort Collins and the areas near Old Town put you within a short ride of the Poudre River Trail, while lodging near the foothills suits riders focused on Horsetooth and canyon routes. If you are touring with several days of riding, look for accommodations with secure bike storage and an easy way to wash and dry gear.

Essential Checklist

  • Helmet and cycling lights if you ride at dawn, dusk or in canyons
  • Tire pressure appropriate to surface, with extra room on gravel
  • At least 1 to 2 liters of water for a two-hour ride, more in summer heat
  • Sun protection, including sunscreen and sunglasses
  • Layers for the foothills, where temperatures can drop noticeably
  • Offline map and phone battery pack

A few pieces of equipment make a clear difference on Fort Collins routes, particularly the gravel and foothill roads. Consider a bike with tires that suit mixed surfaces, a hydration system for hot afternoons and a light for early or late rides.

  • Gravel-capable tires in 38mm or wider: A wider tire smooths out washboard and loose dirt on county roads. View on Amazon
  • Insulated hydration pack: Useful on long foothill rides where water stops are few and the sun is strong. View on Amazon
  • Rechargeable front and rear bike light set: Good visibility for canyon riding and for commuting on shared paths in low light. View on Amazon
  • Compact frame pump with pressure gauge: Lets you adjust tire pressure after a change in terrain or temperature. View on Amazon

Common Mistakes

  • Underestimating altitude and climbing. Riders coming from sea level often find the first foothill climbs harder than expected. Start shorter and build up.
  • Ignoring afternoon storms. Summer thunderstorms can form quickly in the mountains. Plan high-elevation riding for the morning.
  • Running low on water. Services in the canyon and on rural roads are sparse. Carry more than you think you need.
  • Riding with the wrong tires. Narrow road tires on gravel increase the risk of flats and make descents harder to control.
  • Skipping the offline map. Cell coverage drops in canyons and remote gravel areas, and wrong turns cost time and energy.

FAQ

How many miles of bike trails are there in Fort Collins?

Fort Collins has an extensive network of paved multi-use paths that connect neighborhoods, parks and campus, supplemented by on-road bike lanes and nearby gravel and mountain routes. Exact totals change as the city expands its network, so check the current city trail map for the latest figures.

Are Fort Collins bike trails good for beginners?

Yes. The Poudre River Trail and Spring Creek Trail are mostly flat, separated from car traffic and well suited to new riders, families and anyone building fitness.

What is the best bike for riding in Fort Collins?

A hybrid or gravel bike with tires around 35mm to 40mm covers paved paths, county roads and light dirt without much compromise. Road bikes work well on Poudre Canyon, while mountain bikes suit singletrack in the foothills.

Can I ride Poudre Canyon on a regular road bike?

Experienced riders with road bikes do ride Poudre Canyon regularly. Traffic, narrow sections and altitude make it demanding, so use lights, wear visible clothing and ride single file.

Do I need a permit to ride Horsetooth Mountain Park?

Park access rules and fees can change, so check with the managing agency before your visit. Some areas also have seasonal restrictions to protect wildlife or during construction.

When is the best time of year to ride Fort Collins bike trails?

Late spring, early summer and early fall offer the most comfortable temperatures and the most reliable conditions. Summer afternoons can be hot and stormy, so ride early when possible.

Is it safe to ride the trails at night?

Paved paths are generally safe at night when you use front and rear lights and stay visible. Foothill and canyon roads require extra caution because of limited lighting and variable traffic.

Conclusion

Fort Collins bike trails cover a wide range of riding, from relaxed paved loops along the Poudre River to demanding climbs into the foothills. Start with the flat corridors to build confidence, then add Horsetooth and Poudre Canyon as your fitness grows. Plan around the weather, carry enough water and check current conditions before you go, and you will have a route list that keeps you riding for seasons to come.

Ready to choose one?

Colin Foster

About Colin Foster

Colin Foster is part of our editorial team and reviews and edits our bike touring & bikepacking guides, checking product details against manufacturer specifications and owner feedback.