| Thumb Area Underwater Preserve | |
|---|---|
  Location within the state of Michigan | |
| Location | Lake Huron, Huron County, Michigan USA |
| Nearest city | Port Austin, Michigan |
| Coordinates | 44°01′24″N 82°46′16″W / 44.0232°N 82.771°W |
| Area | 276 square miles (710 km2) |
| Governing body | Michigan Department of Natural Resources |
The Thumb Area Underwater Preserve is a preservation area in Lake Huron in the U.S. state of Michigan. It is 276 square miles (710 km2) in size and is located off Michigan's Thumb north of Detroit.[1]
- ^ "Michigan Underwater Preserves - Sites". Michigan Department of Environmental Quality. Retrieved 2009-07-18.