If Castlewood is St. Louis's introductory singletrack, the Chubb Trail at Weldon Spring is the next step up — longer, rockier, and more technical, with some of the best river-bluff riding in the region. Here's a deep dive into what makes Chubb special and how to ride it well.
The Route
The Chubb Trail runs about 7 miles one way along the Missouri River bluffs in Weldon Spring, typically ridden out-and-back for a 14-mile day. The trail is a mix of rocky limestone singletrack, short steep climbs, and fast descents, with several creek crossings depending on recent rain.
What Makes It Technical
Chubb's tread is genuinely rocky — limestone slabs, loose rock gardens, and exposed ledges that demand attention. The climbs are short and punchy but steep enough to require momentum and good gear selection. Several descents have off-camber rock that's slick when damp. This is real mountain biking, not a rail-trail.
Highlights
The Missouri River bluff overlooks are the payoff, with wide views across the river valley. The Grotpeter Trail junction offers a popular loop option for riders who want to mix in different terrain. Limestone outcrops along the way are scenic and a good spot to regroup.
Best Time to Ride
Fall and spring are ideal, with cooler temperatures and dry, grippy rock. Summer mornings work but get hot and humid by midday. Avoid Chubb immediately after rain — the limestone gets slick and the trail can close to prevent damage.
What to Bring
A mountain bike in good working order with capable tires is essential — tubeless setup with sealant saves flats on the rock. Bring a multi-tool, a spare tube or plug kit, and more water than you think you need, since the trail is remote and exposed in sections.
Tips for First-Timers
Pace the climb out and save energy for the technical middle section. Walk anything you're not confident riding — Chubb rewards patience and re-riding over forcing lines beyond your skill. Start at the Weldon Spring trailhead for the classic out-and-back.
The Chubb Trail is the ride that turns St. Louis mountain bikers into real technical riders, and it earns its reputation every mile.
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