大莫兰河是法国的河流，属于马恩河的左支流，河道全长118公里，发源自拉希附近，流经戈谢堡、库洛米耶尔和克雷西拉沙佩勒，河口处在埃斯布利。

• http://www.geoportail.fr
• The Grand Morin at the Sandre database

The Grand Morin is a 118-kilometre (73 mi) long river in France, left tributary of the Marne. Its source is near the village of Lachy. Its course crosses the departments of Marne and Seine-et-Marne. It flows westwards through the towns of Esternay, La Ferté-Gaucher, Coulommiers and Crécy-la-Chapelle, finally flowing into the Marne in Esbly.