Thousand Islands National Park area to defend the British from American invasion. Inside the park, Cedar Island, a small island visible from downtown Kingston, Ontario, is the site of a Martello tower named Cathcart Tower. The park was established in 1904, the first Canadian national park east of the Rocky Mountains. It was called "St. Lawrence Islands National Park" until 2013, when it was renamed to "Thousand Islands National Park" to reflect the natural area in the name. In 1997, the park was named one of the national parks with the highest levels of ecological impairment. Animals that inhabit this national park are coyotes,
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