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 Bridge corporation, whose seven board members are appointed by the Jefferson County Board of Legislators. Four board members are US citizens and three are Canadian citizens. The Thousand Islands Bridge Authority also maintains and administers Boldt Castle. Tolls are paid only by cash, or with a Commuter Discount Fare Card, which is good for either 16 trips (US$20.00) or 72 trips (US$32.00). No electronic toll collection transponders are currently offered or accepted, although the Bridge Authority has joined the multi-state E-ZPass consortium and was planning to introduce ETC in 2019. The Bridge Authority offers sales of transponders of Florida's SunPass, for