An unofficial extension known as the International Appalachian Trail continues north into Canada and to the end of the range , where it enters the Atlantic Ocean , whereas unofficial extensions heading south into Florida create what is known as the Eastern Continental Trail .
An unofficial extension known as the International Appalachian Trail continues north into Canada and to the end of the range , where it enters the Atlantic Ocean . 
 Other unofficial extensions head south into Florida , creating what is known as the Eastern Continental Trail .