Famously known as the finish line for the longest continuous river race in the world, Frontier Park, near the Lewis and Clark Boathouse in St. Charles, is a great place to explore. Biking on the Katy Trail, hiking, and fishing are popular activities in the area.

The description above was copied from or heavily based on Swim Guide, with permission.

More Information

• Swim Guide - Weather and water quality for Frontier Park - St. Charles and 8,000 other beaches.