8 days in Waterloo Itinerary

Waterloo is a city in Monroe County, Illinois, United States. You'll find plenty of places to visit near Waterloo: Collinsville (Cahokia Mounds State Historic Site & World's Largest Catsup Bottle), Purina Farms (in Gray Summit) and Elephant Rocks State Park (in Belleview). There's much more to do: find something for the whole family at Six Flags St Louis, explore the fascinating underground world of Meramec Caverns, immerse yourself in nature at Giant City State Park, and contemplate the waterfront views at Lake Lou Yaeger.

To see maps, photos, and other tourist information, read our Waterloo trip site .

In June, daytime highs in Waterloo are 87°F, while nighttime lows are 67°F. Wrap up your sightseeing on the 8th (Fri) to allow time to travel back home.