Sunflower Silo – Katy Trail loop from Weldon Spring Heights

The Sunflower Silo – Katy Trail loop from Weldon Spring Heights is a fantastic gravel biking route that truly delivers on variety. This moderate 45.4-mile (73.0 km) ride, with 1394 feet (425 metres) of elevation gain and an estimated duration of 4 hours and 3 minutes, offers a diverse experience for riders looking to combine smooth rail-trail cruising with more challenging gravel sections. It's perfect if you're ready for a longer day out and want to explore the best of both worlds in the St. Charles County area.

What to expect on Sunflower Silo – Katy Trail loop from Weldon Spring Heights

Expect a ride that transitions beautifully from the famously smooth, packed crushed limestone of the Katy Trail, offering expansive views of the Missouri River Valley and towering limestone bluffs, to the more undulating gravel paths and hard-packed dirt within the Weldon Spring Conservation Area. You'll pass the iconic Sunflower Silos near Matson, MO, a recognizable landmark along the Katy Trail, and enjoy tranquil forests, open fields, and even glades. While the Katy Trail sections are generally easy, the inclusion of Weldon Spring's varied terrain means you'll encounter some challenging hills, requiring good fitness for this moderate gravel biking adventure.

Planning your visit

The Weldon Spring Trailhead on the Katy Trail is your best bet for starting this loop, offering convenient amenities like parking, restrooms, and even a bike repair station. Given the 45.4-mile (73.0 km) distance, make sure to carry plenty of water, especially during warmer months. The varied terrain means wider tires are beneficial for comfort, particularly on the gravel and dirt sections within the conservation area. This route is enjoyable across many seasons, but spring and fall offer pleasant temperatures and vibrant scenery.

Trail details

• Distance: 45.4 miles (73.0 km)
• Elevation gain: 1394 feet (425 metres)
• Difficulty: moderate
• Estimated time: 4 hours and 3 minutes