Columbia Bottom Conservation Area Access provides boat ramps for both Missouri River and Mississippi River access, with a concrete boat ramp available at the Missouri River location.

The 4,300+ acre area features paved and gravel roads, parking areas, and is open 30 minutes before sunrise to 30 minutes after sunset, making it a convenient urban access point for paddlers and anglers near St.

Louis; note that only electric motors are permitted on designated wetland pools within the area.