Thousand Islands Border Crossing and Canada border stations are located at the opposite ends of this span. The crossing is the westernmost of the three on the St. Lawrence River and is very busy, with up to two hours of waits during the summer. The US border station of Alexandria Bay has sometimes been called "Thousand Islands", and the Canada border station of Lansdowne has sometimes been called "Gananoque", named for the nearby town where international ferry service has historically (and continues to be) provided. These border stations are also responsible for inspecting vessel traffic between the two countries. The US has seasonal vessel
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