Thousand Islands – Frontenac Arch 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 separates the St. Lawrence Lowlands and the Great Lakes Lowlands. It has many distinctive plant and animal species. It
Thousand Islands Railway Thousand Islands Railway The Thousand Islands Railway (originally Gananoque & Rideau Railway) was an long railway running from the town of Gananoque north to the Grand Trunk Railway (now CN) Toronto-Montreal mainline, just south of present-day Cheeseborough. The service ran for 111 years between 1884 and 1995. The rails were removed in October 1997. The railway was originally incorporated as Gananoque & Rideau Railway on 15 February 1871, but construction did not begin until 1883 due to lack of money. The town provided tax breaks and $10,000 in debenture financing to Rathbun's Bay of Quinte Railway and Navigation Company to