Thousand Islands National Park Thousand Islands National Park Thousand Islands National Park (established 1904), formerly known as the St. Lawrence Islands National Park, is located on the 1000 Islands Parkway in the Thousand Islands Region of the Saint Lawrence River. The islands are actually the worn-down tops of ancient mountains. This region, the Frontenac Axis, connects the Canadian Shield from Algonquin Park in Ontario to the Adirondack Mountains in New York. The park consists of 21 islands plus many smaller islets, 2 mainland properties and a visitor centre at Mallorytown, Ontario on the mainland. It is one of Canada's smallest national parks with a
Thirty Thousand Islands by train as the road to Killarney, Ontario would not be built until four decades later. Thirty Thousand Islands The Thirty Thousand Islands is the world's largest freshwater archipelago, and are located mainly along the east side of Georgian Bay, part of the Great Lakes, in Ontario, Canada. UNESCO designated the area in 2004 as the Georgian Bay Littoral (also called the Georgian Bay Biosphere Reserve). It is an area of that stretches along the eastern coast from Port Severn to the French River. Though the Thirty Thousand Islands has no formal geographical boundaries, its general location runs from Beausoleil