Thousand Islands Thousand Islands-Frontenac Arch region was designated a World Biosphere Reserve by UNESCO in 2002. The Thousand Islands Bridge connects New York State and Ontario by traversing Wellesley Island at the northernmost point of Interstate 81 in Jefferson County and meets Highway 137, which leads to Highway 401. The waterfront is served by New York State Routes 12 and 37 and by the Thousand Islands Parkway in Ontario. Ontario also has the Waterfront Trail alongside the Parkway for cyclists who wish to see the area in an alternative way. Large freighters frequently ply the Saint Lawrence Seaway, but the area has
Thousand Islands Railway build the line; that company already operated steamship docks in the village. The original line opened 1 January 1884. The company name was changed to Thousand Islands Railway four months later. A swing bridge over the mouth of the Gananoque River was constructed in 1894 to provide service to businesses on the east side of the river. The line originally served to carry timber and freight to Gananoque's docks, where it could be loaded onto ships. While available timber stocks soon diminished, passenger traffic increased as the Grand Trunk under Charles Melville Hays promoted the tiny town as a vacation