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Routes
MTB trails
United States
Missouri
St. Charles County

Weldon Spring

The best MTB trails around Weldon Spring

5.0

(2)

180

riders

12

rides

Mountain biking around Weldon Spring offers diverse landscapes and extensive trail systems within Missouri's natural settings. The region features rolling hills, dense forests, and significant river overlooks, particularly along the Missouri River. Trails navigate varied terrain, including ridgetop paths, bottomland environments, and sections with rocky surfaces. This area provides a range of mountain bike trails suitable for different skill levels.

Best mountain bike trails around Weldon Spring

  • The most popular mountain bike trail is Lost Valley Trail Loop, an easy 11.4 miles (18.4 km) trail that takes 1 hour 39 minutes to complete. This route offers a varied experience through ridgetop and bottomland environments.
  • Another top favourite among local mountain bikers is Spring – Stream crossing loop from Lost Valley Trail Parking, a moderate 14.2 miles (22.9 km) path. This trail features challenging hills and connections to broader networks.
  • Local mountain bikers also love the Lost Valley Trail – Beaver Time loop from Weldon Spring Heights, a 21.9 miles (35.2 km) trail leading through diverse habitats, often completed in about 2 hours 43 minutes.
  • Mountain biking around Weldon Spring is defined by Missouri River overlooks, diverse forests, and varied terrain with rolling hills. The network offers options for different ability levels, from easy paths to challenging intermediate sections.
  • The routes in Weldon Spring are highly rated by the komoot community with an average score of 5.0 stars from 3 reviews. More than 180 mountain bikers have used komoot to explore Weldon Spring's varied terrain.

Last updated: May 4, 2026

47

riders

#1.

Lost Valley Trail Loop

18.4km

01:39

210m

210m

Get ready for an easy mountain biking adventure on the Lost Valley Trail Loop, a route that spans 11.4 miles (18.4 km) with a gentle 693 feet (211 metres) of elevation gain. You can expect to complete this ride in about 1 hour and 38 minutes. The trail winds through timber and dells, featuring natural springs, unique rock formations, and clear-running streams. A highlight of your ride will be crossing a small waterfall, adding a memorable touch to the scenic journey.

This trail is open daily until 10 p.m., giving you plenty of flexibility for your ride, whether you prefer morning or evening excursions. If you want to adjust your distance, a central fire road allows you to easily shorten or lengthen your journey as needed. This makes the Lost Valley Trail Loop a great option for riders looking for adaptable routes within the Weldon Spring Conservation Area.

Beyond the natural beauty, the Lost Valley Trail Loop also offers a glimpse into the past. As you ride, you will encounter historical elements like old homesteads and an old cemetery located in an area known as "Haunted Hollow." The varied terrain includes both super-flowy singletrack sections and some punchy rock obstacles, providing a diverse and engaging experience for all skill levels.

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Easy

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Tips from the Community

Darren Reever
December 23, 2025, Stream Crossing

A fun section. If you’re riding Clockwise there is a nice technical section twisting downhill through the trees leading up to the crossing. After the water you’ll have wet rubber and the rocks can be slick. Easier in the counter clockwise direction. Water is deeper in spring and summer.

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Darren Reever
December 23, 2025, Beaver Time

Maybe the toughest single section of trail. There are two really excellent natural features to contend with and worth repeat attempts. Numerous lines. Careful of low siding if you stumble, could be very dangerous. S3

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Back to ride it in December 2025, all those trees were removed so it’s a lot more fun now. Most people seemed to ride the loop counter clockwise with the long gravel climb at the beginning. Clockwise was harder I think.

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Really fun. The downhill toward the east is often a ditch from the water washing it out. The clays within can be slippery if wet so be prepared. The stream crossing was great

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Bike repair stand, all the necessary tools and a working air pump. Bathroom and shelter too. No water.

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Darren Reever
May 2, 2025, Spring

At mile post 5, just a few feet down from the trail the spring runs right out of the mountain. Really cool

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This is what I was looking for. Narrow singletrack that runs along the terrain. Often off camber with lots of gravel sized rocks mixed in with clay and organic soils. The surface has great grip even when it’s damp. When the organic percentage rises it gives more and slips under climbing loads. The climbs aren’t too steep and there was always enough roots and rocks to keep you interested. Many stream crossings at the draws that were well prepared. Even the switchback were awesome with native stones packed in the clay to give you confidence you won’t wash out a wheel. Awesome. Be aware as of 2 May 2025 between the 5.5 and 7 mile markers there were many trees crossing the trail knocked over from a terrific wind or 🌪️. This is the area closest to the Army site.

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Alexandra Pavia
February 19, 2024, Hamburg 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.

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Frequently Asked Questions

How many mountain bike trails are there in Weldon Spring?

Weldon Spring offers a network of over 10 mountain bike trails. These routes vary in difficulty, providing options for different skill levels, from easy paths to more challenging intermediate and difficult sections.

What kind of terrain can I expect on mountain bike trails in Weldon Spring?

The mountain bike trails in Weldon Spring feature diverse terrain. You can expect challenging hills, rocky sections, roots, and uneven surfaces, particularly on intermediate and difficult trails. Some paths offer easy, flat sections with fewer obstacles, while others navigate ridgetop and bottomland environments with intermittent streams.

Are there trails suitable for beginners or families in Weldon Spring?

Yes, there are trails suitable for beginners and families. The region offers easy, flat paths with no obstacles, perfect for those new to mountain biking or riding with children. An example of an easy route is the Lost Valley Trail Loop, which is 11.4 miles long and offers a varied experience through ridgetop and bottomland environments.

Are there any challenging routes for experienced mountain bikers?

Experienced mountain bikers will find several challenging routes in Weldon Spring. These trails often feature steep sections, rocky terrain, and roots, requiring good fitness and advanced riding skills. For a more demanding ride, consider the Lost Valley Trail – Beaver Time loop from Weldon Spring Heights, a 21.9-mile difficult trail, or the even longer Katy Trail – Katy Trail loop from Weldon Spring Heights, which spans 53.5 miles.

What natural features or viewpoints can I see while mountain biking?

While mountain biking in Weldon Spring, you can enjoy impressive panoramic views of the Missouri River, especially along sections of the Lewis and Clark Trail. The area also features diverse habitats, including upland and bottomland forests, limestone cliffs, and bluff escarpments. You might also encounter century-old oak, hickory, and maple trees, and observe diverse birdlife and wildlife. The Missouri River Overlook is a notable highlight.

Are there any loop trails available for mountain biking?

Yes, Weldon Spring offers several loop trails for mountain biking. The Lost Valley Trail Loop is a popular 11.4-mile option. Other loop routes include the Spring – Stream crossing loop from Lost Valley Trail Parking and the Lost Valley Trail – Beaver Time loop from Weldon Spring Heights.

Where can I park when visiting the mountain bike trails in Weldon Spring?

Parking is generally available at key access points for the mountain bike trails within the Weldon Spring Conservation Area. Specific parking areas are often located near trailheads, such as the Lost Valley Trail Parking. The Weldon Spring Site Interpretive Center also provides access and parking for trails like the Hamburg Trail.

Is public transport available to reach the trails?

Public transport options directly to the trailheads within the Weldon Spring Conservation Area are limited. It is generally recommended to travel by car to access the mountain biking trails and parking facilities.

Do I need a permit to mountain bike in Weldon Spring?

Generally, permits are not required for mountain biking on the public trails within the Weldon Spring Conservation Area. However, it's always a good idea to check the official Missouri Department of Conservation website (mdc.mo.gov) for any specific regulations or updates before your visit.

What is the best time of year to go mountain biking in Weldon Spring?

The best time to mountain bike in Weldon Spring is typically during spring and fall when temperatures are mild and the foliage is vibrant. Summer can be hot and humid, while winter may bring cold temperatures and potential snow or ice, which can affect trail conditions. Always check local weather and trail conditions before heading out.

What do other mountain bikers say about the trails in Weldon Spring?

The mountain bike trails in Weldon Spring are highly rated by the komoot community, with an average score of 5.0 stars from reviewers. Mountain bikers often praise the diverse landscapes, challenging hills, and the scenic Missouri River overlooks. The variety of terrain and connections to broader networks like the Katy Trail are also frequently highlighted.

Are there other attractions or points of interest near the mountain bike trails?

Yes, beyond the trails, Weldon Spring offers several points of interest. You can visit the Weldon Spring Conservation Area itself, which encompasses diverse habitats. The Weldon Spring Site Interpretive Center provides historical context and access to the Howell Prairie. Fishing is available at Fire and Prairie Lakes, and the Katy Trail offers extensive opportunities for longer rides.

Are there any trails that connect to longer networks?

Yes, Weldon Spring provides excellent connectivity to broader trail networks. The Hamburg Trail, for instance, links the Weldon Spring Site Interpretive Center to the August A. Busch Memorial Conservation Area and offers direct access to the historic Katy Trail State Park, which stretches across Missouri along the Missouri River for extended rides.

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