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Routes
United States
Missouri
St. Charles County

Defiance – Historic Bridge loop from Matson Hill Park trailhead

Routes
United States
Missouri
St. Charles County

Defiance – Historic Bridge loop from Matson Hill Park trailhead

Moderate

4.8

(7578)

7,579

riders

Defiance – Historic Bridge loop from Matson Hill Park trailhead

02:33

42.9km

300m

Gravel riding

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: May 1, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Katy Trail State Park

Weldon Spring Conservation Area

Waypoints

A

Start point

Parking

Get Directions

1

3.98 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 break along the trail, you'll discover charming bars, cafes, and a handful of shops in this quaint town.

Tip by

2

6.57 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

3

8.67 km

Hamburg Trail

Highlight (Segment) • Trail

The Hamburg Trail connects the Katy Trail with the August A. Busch Memorial Conservation Area. It's a vital 6-mile trail that connects to both the Mound and Lost Valley areas.

Tip by

4

12.1 km

Hamburg Trail

Highlight (Segment) • Trail

The Hamburg Trail connects the Katy Trail with the August A. Busch Memorial Conservation Area. It's a vital 6-mile trail that connects to both the Mound and Lost Valley areas.

Tip by

5

13.8 km

Weldon Spring Site

Highlight • Monument

The Weldon Spring Site has an interesting past. They used to dump building rubble containing uranium and radium, along with other radioactive materials inside the mound. Nowadays you can climb up the stairs to the 75-foot disposal cell. At the top there are awesome views of parts of St. Charles and St. Louis counties.

Tip by

6

15.2 km

Bush Lake 10

Highlight • Lake

Bush Lake 10 is a picturesque lake conveniently situated along the Hamburg Trail within the August A. Bush Memorial Conservation Area. It offers a tranquil and delightful spot to unwind and take a break.

Tip by

7

20.2 km

Busch Lake 6

Highlight • Lake

Similar to other lakes in the vicinity, Busch Lake 6 provides an excellent spot to pause and relax before continuing your journey. Among the numerous lakes in this area, this lake attracts bikers, hikers, walkers, and fishermen.

Tip by

8

21.7 km

August A. Busch Memorial Conservation Area, acquired by the Missouri Department of Conservation in 1947, holds a rich history. Mrs. August A. Busch Sr. donated $70,000 in memory of her late husband. Once a World War II TNT munitions plant, remnants of history linger with 100 old TNT storage bunkers.

Tip by

B

42.9 km

End point

Parking

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Way Types & Surfaces

Way Types

21.6 km

8.49 km

6.55 km

4.12 km

2.02 km

133 m

Surfaces

20.1 km

10.0 km

7.43 km

3.96 km

1.44 km

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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 (230 m)

Lowest point (140 m)

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Weather

Powered by Foreca

Today

Tuesday 19 May

24°C

16°C

96 %

Additional weather tips

Max wind speed: 20.0 km/h

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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