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
North American river otter habitat may exist. Even such fast-swimming species as trout become lethargic in extremely cold water, with a commensurate increase in their vulnerability to predation. As such, careful consideration of any threatened, endangered, or fish species of special interest is warranted prior to reintroduction of otters to a watershed. Although other prey species are of temporary significance to the North American river otter, the deciding factor whether the North American river otter can establish itself as a permanent resident of one location is the year-round availability of fish. There are reports of photographs of retrieving North American river otters that were