Lake Superior is about 1,332–1,333 feet deep at its deepest point, which is roughly 406 meters.

Quick Scoop

  • The maximum depth of Lake Superior is commonly reported as 1,332 to 1,333 feet (about a quarter of a mile).
  • This deepest point lies off the southeastern portion of the lake, around 40 miles north of Munising, Michigan.
  • Lake Superior is also the deepest of the Great Lakes overall, with an average depth of about 483 feet.

In simple terms, if you stacked a 100‑story building from the very bottom of Lake Superior, its roof would still be under water.

Information gathered from public forums or data available on the internet and portrayed here.