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Gravel rides
United States
Colorado
Jefferson County

Rocky Flats National Wildlife Refuge

The best gravel rides in Rocky Flats National Wildlife Refuge

4.7

(41)

377

riders

40

rides

Gravel biking in Rocky Flats National Wildlife Refuge offers an extensive network of trails across 5,237 acres of rolling prairie grasslands. The terrain primarily consists of dirt and packed gravel paths, providing a varied riding experience. Riders can expect views of the Front Range of the Rocky Mountains, woodlands, and wetlands, including South Woman Creek and Upper and Lower Church Lakes. This unique Front Range landscape features diverse ecological elements.

Best gravel bike trails in Rocky Flats National Wildlife Refuge

  • The most popular gravel bike trail is Standley Lake – Standley Lake Viewing Area loop from SH 72 & SH 93 Park-n-Ride, a 35.3 miles (56.8 km) trail that takes 4 hours 0 minutes to complete. This route offers extensive views around Standley Lake.
  • Another top favourite among local gravel bikers is Lindsay Ranch Loop Trail – Greenway Trail loop from Rocky Flats National Wildlife Refuge trailhead, a moderate 14.3 miles (23.1 km) path. This loop features the historic Lindsay Ranch barn and diverse refuge landscapes.
  • Local gravel bikers also love the Community Ditch Trail – Meadowlark Trail loop from Coalton Trailhead, a 15.5 miles (24.9 km) trail leading through varied open terrain, often completed in about 1 hour 50 minutes.
  • Gravel biking in Rocky Flats National Wildlife Refuge is defined by rolling plains, prairie grasslands, and dirt and packed gravel trails. The network offers options for easy, moderate, and difficult routes, catering to different ability levels.
  • The routes in Rocky Flats National Wildlife Refuge are highly rated by the komoot community with an average score of 4.8 stars from over 55 reviews. More than 550 gravel bikers have used komoot to explore Rocky Flats National Wildlife Refuge's varied terrain.

Last updated: May 1, 2026

19

riders

#1.

Community Ditch Trail – Meadowlark Trail loop from Coalton Trailhead

24.9km

01:49

290m

290m

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

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Moderate

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

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

Hard

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

Moderate

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

Moderate
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Popular around Rocky Flats National Wildlife Refuge

Hiking in Rocky Flats National Wildlife Refuge

MTB Trails in Rocky Flats National Wildlife Refuge

Road Cycling Routes in Rocky Flats National Wildlife Refuge

Running Trails in Rocky Flats National Wildlife Refuge

Cycling in Rocky Flats National Wildlife Refuge

Tips from the Community

John F
August 6, 2025, Greenway Trail

The bridge over Indiana St connecting Westminster Hills Open Space to Rocky Flats is now open.

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John F
August 6, 2025, Outhouse!

Nice and clean. The hand sanitizer dispenser was working!

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Adler-Fingru Open Space is a 55.7-acre area that was once used for crop production and livestock grazing. Ownership of the space is divided three ways among the cities of Boulder, Louisville, and Lafayette. This property is under an agricultural lease, so access to the public is limited to only the Coal Creek Trail that passes through the space.

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Zachary
June 24, 2025, Mayhoffer Trail

This is a nice packed dirt and gravel connector trail, with views of the range from South Bolder Peak to Green Mountain and the Flatirons. Best to avoid this track if there has been recent rain or snow.

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Construction. 🚧 Great from Boulder

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Be a nice person Busy trail - Brush up on trail etiquette.

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0

Alex
May 15, 2025, Mayhoffer Trail

Mayhoffer Trail stretches 2.7 miles over gravel and dirt and connects users to other regional trails with awesome views of the surrounding plains and foothills.

1

0

View looking East on the Greenway Trail. The bench might come in handy too, nice view of the Flatirons.

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Frequently Asked Questions

How many gravel bike trails are available in Rocky Flats National Wildlife Refuge?

Rocky Flats National Wildlife Refuge offers a network of over 50 gravel bike trails. These routes cater to various skill levels, with options ranging from easy to more challenging rides across the refuge's diverse landscape.

What is the general terrain and difficulty level for gravel biking in Rocky Flats National Wildlife Refuge?

The terrain primarily consists of dirt and packed gravel paths, characterized by rolling plains and hills. While many routes offer a moderate challenge, there are also easier options for beginners and more difficult trails for experienced riders. Overall, 6 routes are considered easy, 37 are moderate, and 14 are difficult.

What do other gravel bikers enjoy about the trails in Rocky Flats National Wildlife Refuge?

The trails in Rocky Flats National Wildlife Refuge are highly rated by the komoot community, with an average score of 4.7 stars from over 50 reviews. Riders frequently praise the stunning Front Range views, the diverse landscapes including prairie grasslands and wetlands, and the opportunity for wildlife viewing. Many appreciate the well-maintained dirt and packed gravel surfaces ideal for gravel biking.

Are there any notable landmarks or points of interest along the gravel bike trails?

Yes, several routes offer points of interest. For instance, the Lindsay Ranch Loop Trail – Greenway Trail loop notably features the historic Lindsay Ranch barn. Throughout the refuge, you'll also encounter interpretive panels providing insights into the area's wildlife and history, as well as picturesque views of South Woman Creek and the Upper and Lower Church Lakes.

What kind of wildlife can I expect to see while gravel biking in the refuge?

Rocky Flats National Wildlife Refuge is a haven for wildlife, home to over 230 species. While biking, you might spot elk, deer, various raptors and songbirds, and coyotes. The refuge also protects the federally threatened Preble's meadow jumping mouse. Keep an eye out, especially during quieter times, for excellent wildlife viewing opportunities.

Are there any family-friendly gravel biking options in Rocky Flats National Wildlife Refuge?

Yes, the refuge offers trails suitable for families, particularly those looking for a moderate challenge. The rolling terrain and well-maintained gravel paths provide an engaging experience without being overly strenuous. While specific 'easy' family routes aren't highlighted, the overall network includes options that can be enjoyed by families with varying skill levels. The refuge's interpretive panels also add an educational element for younger riders.

Can I bring my dog on the gravel bike trails in Rocky Flats National Wildlife Refuge?

For specific regulations regarding dogs on trails within Rocky Flats National Wildlife Refuge, it's best to consult the official refuge website. National Wildlife Refuges often have specific rules to protect wildlife and habitats, which may include restrictions on pets. You can find more information on their visitor activities page: fws.gov/refuge/rocky-flats/visit-us.

What is the best time of year to go gravel biking in Rocky Flats National Wildlife Refuge?

The refuge's trails are generally open year-round for gravel biking. However, the best time to visit often depends on personal preference. Spring and fall offer pleasant temperatures and vibrant scenery, with many plants blooming from spring through fall. Winter can also be an option, though conditions may vary with snow and ice. Always check local weather conditions before heading out.

Are there any loop trails for gravel biking in the refuge?

Yes, the refuge features several loop trails that are popular among gravel bikers. The Lindsay Ranch Loop Trail – Greenway Trail loop is a moderate 14.3-mile option that showcases diverse refuge landscapes. Other loops like the Walnut Creek Loop and Woman Creek Loop are also mentioned as part of the refuge's trail network, providing varied experiences.

Where can I park when visiting Rocky Flats National Wildlife Refuge for gravel biking?

While specific parking areas aren't detailed in the route descriptions, the refuge generally provides designated parking for visitors. For the most accurate and up-to-date information on parking facilities and access points, it is recommended to check the official Rocky Flats National Wildlife Refuge website before your visit. You can find general visitor information at fws.gov/refuge/rocky-flats/visit-us.

Are there any long-distance gravel biking routes that connect to other areas?

While the refuge itself offers 15 miles of trails, there are future plans to expand connectivity. These plans include linking the Rocky Mountain Greenway Trail to Boulder and Jefferson County trails, and potentially connecting to other national wildlife refuges and even Rocky Mountain National Park through municipal connections. This will significantly expand long-distance biking opportunities in the future.

What are some of the natural features I'll encounter on the gravel bike trails?

The refuge preserves a striking Front Range landscape. You'll ride through rolling plains, prairie grasslands, woodlands, and wetlands. A significant natural feature is the presence of rare xeric tallgrass prairie, a globally important ecosystem. Vistas of the Front Range of the Rocky Mountains are a constant backdrop, and you'll also see South Woman Creek and the Upper and Lower Church Lakes.

Most popular routes in Rocky Flats National Wildlife Refuge

Family-friendly hikes in Rocky Flats National Wildlife Refuge

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