Lost Valley Trail Loop

The route is approximately 10.4 km (6.5 miles) long and generally takes about 1 hour to complete on a touring bicycle. However, this can vary based on your cycling speed and how often you stop to enjoy the scenery.

While the tour is listed for touring bicycles, the varied terrain, which includes singletrack with punchy rock obstacles, makes a gravel bike or mountain bike far more appropriate for a comfortable and safe ride. Traditional road touring bikes may find the rocky and technical sections challenging.

The trail is generally rated as having moderate physical difficulty. While some sections are flat and manageable, the singletrack portions feature rocky obstacles and narrow treads, posing a significant technical challenge. Beginners might find these sections difficult; an intermediate skill level is often recommended for mountain biking this trail.

The trail offers a diverse surface, including doubletrack, singletrack, and gravel roads. You'll encounter sections of dirt and rock, with some singletrack described as 'super-flowy with punchy rock obstacles.' Lower creek bottoms can remain wet, but most of the trail drains well.

You'll cycle through thick, timbered forests and dells, encountering natural springs, a waterfall crossing, and interesting rock formations. The route also passes historical remnants of the former town of Hamburg, including old fire hydrants and chimneys, and areas once part of a WWII ammunition works.

Parking is available at the Weldon Spring Conservation Area, which serves as the primary access point for the trail.

No, there are typically no permits or entrance fees required to access the Weldon Spring Conservation Area or its trails.

Yes, the Lost Valley Trail Loop is multi-use and generally dog-friendly. However, always ensure your dog is on a leash and that you clean up after them to maintain the trail for all users.

The trail can be enjoyed year-round, but spring and fall offer pleasant temperatures and beautiful scenery with changing foliage. Summer can be hot and humid, while winter may bring snow or ice, making some sections more challenging. The trail drains well, but lower creek bottoms can be wet after rain.

Yes, it is suggested to ride the loop in a clockwise direction. This approach can make the climbs feel easier and often improves the visibility of trail markings.

Yes, the route offers connectivity to other trails in the area, such as the Hamburg Trail and the Katy Trail, allowing for extended cycling adventures beyond the Lost Valley Trail Loop itself. The route also passes through sections of the Lost Valley Trail and the Abandoned Road.