Columbia Bottom is a mosaic of natural areas including wetlands, forests, prairies and croplands. The area encompasses the 110-acre Duck Island on the Mississippi River, as well as more than six miles of river frontage.
The area offers hiking, biking and river access. It’s also known for spectacular sunflower displays during summer.
Columbia Bottom Conservation Area is in North St. Louis County: take the Riverview Drive exit from I-270; travel north on Riverview about 2.8 miles and follow the signs.
Columbia Bottom Conservation Area is closed from one-half-hour after sunset until one-half-hour before sunrise, except for authorized hunting, fishing and boat ramp use.