what lake in mn is the deepest
These Are The 15 Deepest Lakes In Minnesota And They Are Positively Stunning Flickr/Ed Menendez. 1  Naturally, Lake Superior is by far the deepest lake in Minnesota, with depths as impressive as 1333 feet. 2  This mine is a startling 465 feet deep, with over 33 feet of clarity! 3  Over 450 feet of water make this mine pit one of the most scenic and deep lakes in MN.