Thousand Islands Parkway Thousand Islands Parkway The Thousand Islands Parkway or TIP is a parkway in the Canadian province of Ontario, which extends easterly from an interchange with Highway 401 in Gananoque for approximately to the community of Butternut Bay, in Elizabethtown-Kitley, west of Brockville. The parkway follows the north shore of the St. Lawrence River, and was formerly designated Highway 2S (for Scenic). It was constructed as a primary freeway segment in the Toronto-Montréal corridor during the late 1930s. The 1000 Islands Bridge opened in 1938, during the parkway's construction. The parkway was signed as part of Ontario Highway 401 when the
Thousand Islands – Frontenac Arch to Algonquin Park. In this gap are smaller parks such as Frontenac Provincial Park and Bon Echo Provincial Park. Thousand Islands – Frontenac Arch The Thousand Islands – Frontenac Arch region or the Frontenac Axis is an exposed strip of Precambrian rock in Canada and the United States that links the Canadian Shield from Algonquin Park with the Adirondack Mountain region in New York, an extension of the Laurentian mountains of Québec. The Algonquin to Adirondacks region, which includes the Frontenac Axis or Arch, is a critical linkage for biodiversity and resilience, and one with important conservation potential. The axis