Old Chain of Rocks Bridge loop from Cross Keys

The Old Chain of Rocks Bridge loop from Cross Keys road cycling route is a fantastic way to experience a piece of history while enjoying panoramic river views. This moderate 28.4-mile (45.8 km) road cycling route, with 1173 feet (358 metres) of elevation gain, takes about 2 hours and 5 minutes to complete. It's an ideal choice for cyclists looking for a scenic and historically rich ride that offers a good workout without being overly strenuous.

What to expect on Old Chain of Rocks Bridge loop from Cross Keys

As you embark on this journey, you'll find the Old Chain of Rocks Bridge itself to be the undeniable highlight, offering unique architecture and stunning viewpoints along its mile-long span. The bridge, exclusively for pedestrians and cyclists, sits high above the Mississippi River, providing expansive vistas of the water, the St. Louis skyline in the distance, and the distinctive 1890s water intake towers that resemble mini-mansions. The route incorporates connecting trails that are generally paved and well-suited for road cycling, though some sections might present slight inclines. This ride is perfect for those who appreciate a blend of natural beauty, architectural marvels, and historical significance.

Planning your visit

For those planning to cycle the Old Chain of Rocks Bridge loop from Cross Keys, parking is readily available on the Illinois side at 4205-4207 Chain of Rocks Road. A new park and trailhead facility were also being developed on the Missouri side in 2024, offering additional access points. This route is generally accessible, but checking local conditions before you go is always a good idea. The best time to visit is often during milder weather to fully enjoy the open-air experience and the scenic river views.

Trail details

• Distance: 28.4 miles (45.8 km)
• Elevation gain: 1173 feet (358 metres)
• Difficulty: moderate
• Estimated time: 2 hours and 5 minutes