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Routes
Running trails & routes
United States
Missouri
St. Charles County
Weldon Spring

Busch Greenway, Hamburg Trail, and Katy Trail Loop

Hard

4.6

(3736)

10,987

runners

Busch Greenway, Hamburg Trail, and Katy Trail Loop

02:21

21.4km

110m

Running

This difficult 13.3-mile jogging loop in Weldon Spring Conservation Area offers diverse terrain and scenery, ideal for half-marathon trainin

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

1.97 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

2

3.50 km

In total, the Missouri Research Park Trail is just under 5 miles long. There is a wooden bridge/boardwalk here next to the Missouri Bluffs golf course that is a pretty unique part of the trail.

Tip by

3

11.3 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

20.5 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

B

21.4 km

End point

Parking

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Way Types & Surfaces

Way Types

13.6 km

7.20 km

358 m

234 m

Surfaces

7.12 km

6.76 km

5.87 km

1.55 km

< 100 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 (200 m)

Lowest point (140 m)

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Weather

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Thursday 28 May

31°C

17°C

-- %

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the Busch Greenway, Hamburg Trail, and Katy Trail Loop?

You can find parking at various trailheads along the route. Popular access points include those for the Busch Greenway and the Hamburg Trail, which are part of the Weldon Spring Conservation Area. Parking is generally ample at these designated trailheads.

Is this jogging loop suitable for beginners?

No, this 13.1-mile loop is generally considered a "hard run" and requires very good fitness. While parts of the Busch Greenway are paved and suitable for all levels, the inclusion of the crushed gravel Hamburg Trail and varied terrain with elevation changes makes the full loop quite challenging.

What kind of terrain will I encounter on this jogging loop?

The loop features a diverse terrain. The Busch Greenway sections are primarily paved multi-use paths. In contrast, the Hamburg Trail is composed of crushed gravel. The Katy Trail portion is generally well-maintained but may also have varied surfaces. Expect a mix of smooth paved sections, rougher gravel, and some uphill segments.

How long does it typically take to jog this loop?

For an average jogger, completing the entire 13.1-mile (21.38 km) loop typically takes around 2 hours and 20 minutes, though this can vary based on individual fitness levels and pace.

What natural features and landmarks will I see along the route?

You'll experience a diverse range of scenery. The Busch Greenway offers views of lakes, prairies, and passes by the historic Thomas Howell Cemetery. The Hamburg Trail is largely forested with pastures, wetlands, and occasional views of the Mississippi River. You'll also pass by the Mononame 207 Reservoir and a Boardwalk Section on the Missouri Research Park Trail.

Is the Busch Greenway, Hamburg Trail, and Katy Trail Loop dog-friendly?

Yes, the trails within the Weldon Spring Conservation Area, including sections of the Busch Greenway, Hamburg Trail, and Katy Trail, are generally dog-friendly. However, dogs must be kept on a leash at all times to protect wildlife and ensure the safety of other trail users.

Are there any permits or entrance fees required for this trail?

No, there are typically no permits or entrance fees required to access the Busch Greenway, Hamburg Trail, or the Katy Trail sections within the Weldon Spring Conservation Area. It is free to use for public recreation.

What is the best time of year to jog this loop?

Spring and fall are generally the best seasons for jogging this loop. The weather is milder, and the natural scenery, with blooming wildflowers or vibrant autumn foliage, is particularly beautiful. Summer can be hot and humid, while winter may present icy conditions on some surfaces.

Does this loop intersect with other well-known paths?

Yes, this loop is a combination of several well-known paths. It primarily connects the Busch Greenway, the Hamburg Trail, and a section of the Katy Trail. Additionally, the route also passes through sections of the ADT - Missouri - L - Seg 2, Katy Trail State Park, Old Hamburg Trail, Lewis trail, Missouri Research Park Trail, and Lewis & Clark Trail.

What should I wear or bring for jogging on this trail?

Given the varied terrain, it's recommended to wear appropriate footwear, such as trail running shoes, that can handle both paved and crushed gravel surfaces. Bring plenty of water, especially on warmer days, as there might not be frequent water sources directly on the trail. Sun protection and insect repellent are also advisable.

What wildlife might I see along the Busch Greenway, Hamburg Trail, and Katy Trail Loop?

As the loop passes through the Weldon Spring Conservation Area and natural landscapes, you might encounter various wildlife. This can include deer, turkeys, and a variety of bird species. Keep an eye out, especially in the forested and wetland areas.

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