Explore St. Louis

Katy Trail State Park

185-mile-long public access hiking/biking trail of crushed limestone. East end of the trail runs through Frontier Park in St. Charles and follows the Missouri River past bluffs, wooded areas, farms and wineries. Bike rental at Bike Stop Cafe, 701 Riverside Dr. in St. Charles, 636.724.9900, and Katy Bike Rental in Defiance, 636.987.2673.