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Routes
Road cycling routes
United States
Missouri
St. Charles County

Katy Trail and Augusta Loop

Hard

4.8

(5423)

6,521

riders

Katy Trail and Augusta Loop

05:05

79.5km

570m

Road cycling

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 ride takes approximately 5 hours and 4 minutes to complete, guiding you through diverse landscapes. You will cycle past impressive…

Last updated: April 23, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 7.33 km for 22.9 km

After 31.8 km for 1.54 km

After 37.6 km for 5.90 km

After 69.4 km for 5.09 km

Waypoints

A

Start point

Parking

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1

3.50 km

Mononame 207 Reservoir

Highlight • Lake

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 …

Tip by

2

5.64 km

Busch Greenway

Highlight (Segment) • Cycleway

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.

Tip by

3

15.7 km

Historic Bridge

Highlight • Bridge

Here you will reach a historic iron bridge that spans over Femme Osage Creek just before entering Defiance. This is a particularly significant part of the Katy Trail, adding to its historical charm.

Tip by

4

18.3 km

Defiance

Highlight • Settlement

Defiance is a small town situated along Highway 94 and the Katy Trail. Serving as a gateway to the Missouri wine country, whether you're beginning, ending, or simply taking a …

Tip by

5

30.3 km

Augusta

Highlight • Settlement

Augusta is a historic town nestled among rolling hills on the Missouri River bluffs. Incorporated in 1855, it proudly holds the distinction of being America's first designated wine region, recognized …

Tip by

B

79.5 km

End point

Parking

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Way Types & Surfaces

Way Types

26.9 km

24.4 km

16.0 km

6.60 km

5.62 km

< 100 m

Surfaces

26.6 km

23.5 km

20.3 km

8.33 km

838 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 (270 m)

Lowest point (140 m)

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Weather

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Today

Sunday 17 May

31°C

19°C

0 %

Additional weather tips

Max wind speed: 25.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How difficult is cycling the Katy Trail and Augusta Loop for road cyclists?

This route is rated as difficult, primarily due to its length of nearly 80 km and over 560 meters of elevation gain. While sections of the Katy Trail are generally flat, the overall loop incorporates varied terrain, and the crushed limestone surface can be challenging for narrow road bike tires, especially after rain. Wider tires (32mm, 35mm, or even mountain bike tires) are recommended for optimal comfort and stability.

What is the typical terrain like on this route?

The Katy Trail portion of the route is predominantly flat and features a well-groomed crushed limestone surface. However, if the loop deviates from the main trail, you might encounter varied road surfaces, including quiet country roads or busier highways. After rain, sections of the crushed limestone can become soft and muddy, increasing the effort required.

Where can I park to access the Katy Trail and Augusta Loop?

There are numerous trailheads along the Katy Trail with parking available. For the Augusta Loop, parking is typically available in or near the town of Augusta itself, which is located directly on the Katy Trail. Klondike Park, near Augusta, also offers access and parking.

What scenic views and landmarks can I expect along the way?

The route offers diverse scenery, including picturesque farmlands, dense woodlands, and views along the Missouri River. You'll pass through charming small towns like Defiance and Augusta, known for its wineries. Highlights include the Mononame 207 Reservoir, the Busch Greenway, and a Historic Bridge. The Missouri River Valley views, especially near Augusta and Klondike Park, are particularly scenic.

Does this route connect with other trails?

Yes, the route incorporates significant sections of the Katy Trail and also passes through parts of the Busch Greenway and Hamburg Trail. Other official trails along this route include ADT - Missouri - L - Seg 2, Katy Trail State Park, Lewis trail, Lewis & Clark Trail, Missouri Research Park Trail, Hogsback Trail, Powerline, Darst Bottom Road, River Trail, Lost Valley Trail Connector, and Old Hamburg Trail.

What is the best time of year to cycle the Katy Trail and Augusta Loop?

Spring and fall generally offer the most pleasant cycling conditions with mild temperatures and beautiful foliage. Summer can be hot and humid, while winter can bring cold temperatures and potential snow or ice, making parts of the trail less accessible. Be aware that after heavy rains, sections of the crushed limestone trail can become muddy and soft.

Are dogs allowed on the Katy Trail and Augusta Loop?

Yes, dogs are generally allowed on the Katy Trail and within Katy Trail State Park. They must be kept on a leash at all times, and owners are responsible for cleaning up after their pets. Always check for specific local regulations or signage, especially in towns or specific park areas.

Are there any permits or entrance fees required for Katy Trail State Park?

No, there are typically no permits or entrance fees required to access and cycle the Katy Trail or Katy Trail State Park. It is a public resource open to all. However, specific events or services along the trail might have associated costs.

What amenities are available along the route, such as food and lodging?

The towns along the Katy Trail, particularly Augusta and Defiance, offer various amenities. You'll find restaurants, cafes, and lodging options. Augusta is especially known for its wineries, providing unique stops. Many trailheads also offer basic amenities like water fountains and restrooms.

What type of bicycle is best suited for this route?

While the route is designated for racebikes, the crushed limestone surface of the Katy Trail can be challenging for very narrow road bike tires. For optimal comfort and stability, especially if conditions are wet, consider using a road bike with wider tires (32mm or 35mm), a gravel bike, or even a mountain bike. This will provide better traction and a smoother ride over the varied terrain.

How long does it typically take to complete this cycling route?

This route is approximately 79.5 kilometers (49.4 miles) long and typically takes around 5 hours and 5 minutes of active cycling time to complete. This duration can vary based on your fitness level, the type of bike you're riding, weather conditions, and how often you stop to enjoy the scenery or amenities.

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02:03h

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