CEC hero image, a  photo of Array



Map type: Reference

This map shows the major North American drainage basins, or watersheds, which drain into the Atlantic Ocean, Hudson Bay, the Arctic Ocean, the Pacific Ocean, the Gulf of Mexico and the Caribbean Sea.

Each watershed is shown in its own color, with subdivisions shown in tonal variations.

CEC Atlas Map

Description and metadata Map Viewer

Downloadable Files

Map Package PDF Shapefile