Continental Divide of North America determined by watersheds, Divides need not be mountainous

Continental Divide of North America

Continental Divide of North America

Continental Divide watersheds of North America center on a dramatic mountain range that parts the West & East watersheds in a sharp north-south line. It is also a formidable physical barrier, or divide.   Furthermore, the mountains that form this line rise sharply from the prairie lands that occupy the center of the continent.  Approached from the flat prairies during exploration, the mountains looked like a wall on the horizon, so the divide was very conspicuous. … cont’d >