Lake Superior is very deep: its maximum depth is about 1,333 feet (around 406 meters), and its average depth is about 483 feet (147 meters).

Quick Scoop

  • The deepest recorded point of Lake Superior is approximately 1,333 feet (406 meters), making it the deepest of the Great Lakes.
  • On average, Lake Superior is about 483 feet (147 meters) deep across its vast area.
  • The deepest spot lies roughly 40 miles north of Munising, Michigan, in the central part of the lake.

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