 The cities of Plattsburgh, New York and Burlington, Vermont are on the lake's western and eastern shores, respectively, and the Town of Ticonderoga, New York is in the region's southern part.The Quebec portion is in the regional county municipalities of Le Haut-Richelieu and Brome-Missisquoi.There are a number of islands in the lake; the largest include Grand Isle, Isle La Motte, and North Hero, all part of Grand Isle County, Vermont.