Welcome to Plaine Magnien. Before you start your adventure, it’s always handy to know a few facts about the area. So pull out your map, pick up a pen and let’s get started.This town sits 22 miles to the southeast of Petite Riviere, and 22 miles southeast of Port Louis, the nation’s capital.If you’re eager to meet some friendly folks while you’re touring around this part of Grand Port, you shouldn’t have too much trouble. Approximately 10,800 people live here.