Winter in Niagara will take you breath away. Mist from the Falls coats the trees in Queen Victoria Park, wrapping them in sparkling coats of ice several inches thick. Glistening icicles hang from the wall of rocks that line the gorge and mounds of ice and snow completely cover large boulders at the base of the American Falls. Even if you don’t like the winter, it is a beautiful sight to see.
Here is an article about Niagara Falls in winter by Ellen Perlman of the Miami Herald: Coat of ice makes an icon even more intriguing