4.6
(82)
1,863
riders
55
rides
Road cycling routes in St. Charles County traverse a landscape characterized by the Missouri River floodplain, offering extensive flat sections along the Katy Trail. The region also features numerous greenways and parks, providing varied terrain for cyclists. While much of the area is relatively flat, some routes extend into rolling countryside with gentle hills.
Last updated: July 7, 2026
4.2
(6)
106
riders
35.6km
02:03
100m
100m
The Katy Trail and Creve Coeur Lake Loop offers a delightful blend of crushed limestone rail-trail and smooth paved paths, making it a diverse road cycling experience. You'll glide past…
79
riders
54.6km
03:53
220m
220m
Embark on the Katy Trail and Busch Greenway Loop, a moderate road cycling adventure spanning 33.9 miles (54.6 km) with 705 feet (215 metres) of elevation gain, typically completed in…

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69
riders
39.9km
02:44
50m
40m
If you're looking for a wonderfully flat and scenic road cycling experience, the Katy Trail: St. Charles to Machens is a fantastic option. This route follows the Missouri River, treating…
26
riders
64.0km
03:47
230m
230m
This moderate 39.8 miles (64.0 km) racebike route combines the varied surfaces and scenery of the Katy Trail and Creve Coeur Lake Loop. You will cover 745 feet (227 metres)…
23
riders
49.9km
02:47
240m
240m
The Katy Trail and Weldon Spring Loop offers a dynamic road cycling experience, blending the famously flat, crushed limestone surface of the Katy Trail with the more rugged, hilly terrain…
3.0
(1)
19
riders
22.8km
01:08
90m
90m
Embark on the Boschert Greenway and Katy Trail Loop for a moderate road cycling adventure spanning 14.2 miles (22.8 km). You will gain 293 feet (89 metres) in elevation over…
13
riders
52.9km
03:07
80m
80m
The Katy Trail and Earth City Levee Loop offers a unique blend of surfaces and scenery for cyclists near St. Louis. You'll ride along the historic Katy Trail's crushed limestone,…
8
riders
79.5km
05:05
570m
570m
Embark on the Katy Trail and Augusta Loop, a difficult road cycling route spanning 49.4 miles (79.5 km) with a significant 1856 feet (566 metres) of elevation gain. This challenging…
4
riders
84.0km
03:51
390m
390m
Embark on the Katy Trail and St. Charles Greenways Loop, a moderate road cycling adventure spanning 52.2 miles (84.0 km) with an elevation gain of 1266 feet (386 metres). You…
5
riders
33.2km
01:39
130m
130m
Cycle the moderate 20.7-mile Boschert Greenway and Missouri Greenway Loop, enjoying river views and the unique Blomstre sculpture.
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Popular around St. Charles County
Road Cycling Routes around St. Charles

Road Cycling Routes around Weldon Spring Heights
Road Cycling Routes around Lake St. Louis

Road Cycling Routes around Dardenne Prairie

Road Cycling Routes around St. Peters
Road Cycling Routes around Defiance
Road Cycling Routes around Weldon Spring

Road Cycling Routes around O'Fallon
Road Cycling Routes around Cottleville
Road Cycling Routes around West Alton
Highway B is a nice, flat road with farms on either side. It serves as a floodplain when river levels rise. On the opposite side of the farms lies the Missouri River.
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Greens Bottom Road is a great alternative to the Katy Trail as it is lightly trafficked and has a 45 miles per hour speed limit. It's a short stretch of pavement where you can easily access or depart from the Katy Trail.
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This marks the easternmost point of the Katy Trail. Machens resides at mile-marker 27 along the Missouri River, tracing the northern bank for a significant stretch of the trail.
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This section of the Katy Trail extends from Greens Bottom Road to Missouri Research Trail. Here, you'll discover a shady, compact gravel road with views of the Missouri River.
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The Mononame 207 Reservoir is a 22-acre lake off the side of the Busch Greenway. It's popular for fishing and has a pretty cool looking backdrop of trees. There's a spot with a bench on the north side of the lake where you can take a break and take in the view
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Cottleville is a lovely small city known for its quaint downtown area. With its touch of old-fashioned charm, it stands out as a unique stop along the country roads.
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The Busch Greenway is a well-paved multi-use path weaving through the Weldon Springs Conservation Area. Along the way you will encounter lakes, vast open prairies, and the authentic landscapes native to Missouri.
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St. Charles County offers a wide selection of road cycling routes, with over 45 routes available on komoot. These routes cater to various skill levels, from easy rides to more challenging excursions.
Yes, St. Charles County has numerous beginner-friendly and family-friendly road cycling options. Many routes utilize the flat sections of the Katy Trail and various greenways, which are ideal for those seeking an easier ride. There are 16 easy routes available, perfect for a relaxed outing.
For experienced riders seeking a challenge, St. Charles County offers routes that venture into the rolling countryside with more significant elevation changes. An example is the Katy Trail and Augusta Loop, which features over 500 meters of elevation gain. There are 3 difficult routes available for those looking for a strenuous workout.
The terrain in St. Charles County is diverse, characterized by the Missouri River floodplain, offering extensive flat sections along the Katy Trail and various greenways. However, some routes extend into rolling countryside with gentle to moderate hills, providing a varied experience for cyclists.
Yes, many road cycling routes in St. Charles County are designed as loops, allowing you to start and end at the same point. Examples include the Katy Trail and Weldon Spring Loop or the Boschert Greenway and Katy Trail Loop, offering convenient circular journeys.
Many routes offer opportunities to explore local attractions. You might pass by natural areas like Weldon Spring Conservation Area or enjoy views from the Missouri River Overlook. Frontier Park in St. Charles is also a popular spot along the Katy Trail.
Yes, many popular road cycling routes and greenways in St. Charles County offer designated parking areas at their trailheads. The Katy Trail, for instance, has multiple access points with parking facilities, making it convenient to start your ride.
The road cycling routes in St. Charles County are highly rated by the komoot community, with an average score of 4.25 stars from over 20 reviews. Cyclists often praise the well-maintained paths, scenic river views, and the variety of terrain available, from flat greenways to rolling hills.
Spring and fall generally offer the most pleasant conditions for road biking in St. Charles County, with mild temperatures and beautiful scenery. Summer can be enjoyable, but it's advisable to ride in the mornings or evenings to avoid the midday heat and humidity. Winter riding is possible, but be prepared for colder temperatures and potential icy patches.
Yes, especially along popular routes like the Katy Trail, you'll find charming towns and communities that offer cafes, restaurants, and other amenities where you can refuel and rest. St. Charles and Augusta are notable towns with options for cyclists.
Road biking in St. Charles County is possible during winter, but conditions can vary. While some paved trails and roads may be clear, others might have snow or ice, especially after precipitation. It's essential to check weather forecasts, dress in layers, and ensure your bike is equipped for colder temperatures and potentially slippery surfaces.
For those looking for longer rides, St. Charles County offers several routes exceeding 50 kilometers. The Cottleville, St. Paul, Josephville, Lake St. Louis, & Weldon Spring loop is a substantial 75.8 km route, while the Katy Trail and St. Charles Greenways Loop stretches over 80 km, providing ample distance for endurance training.


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