<P> The lake 's deepest point is 196 feet ( 60 m ) , between Dome Island and Buck Mountain in the southern quarter of the lake . The northern end of the lake that is located near Ticonderoga is considered the southern end of the Champlain Valley , which includes Lake Champlain , as well as the cities Plattsburgh , New York and Burlington , Vermont . </P>
where is the deepest part of lake george
between Dome Island and Buck Mountain in the southern quarter of the lake