U.S. Rivers and LakesOnline version U.S. Rivers and Lakes by JEFFREY DINSE 1 Lake Superior 2 Lake Ontario 3 Lake Erie 4 Lake Michigan 5 Lake Huron 6 Hudson River 7 Missouri River 8 Mississippi River 9 Canada 10 Rocky Mountains 11 Great Salt Lake 12 St. Lawrence River 13 Appalachian Mountains 14 Gulf of Mexico 15 Colorado River 16 Rio Grande River 17 Ohio River 18 Great Plains 19 Mexico