Thunder Bay National Marine Sanctuary and Underwater Preserve: Geography and Protected Area Atlas
Maritime heritage sites and glacial freshwater geography in Lake Huron, Michigan.
Situated along the rugged northeastern coast of Lake Huron, Thunder Bay National Marine Sanctuary and Underwater Preserve protects over two hundred shipwreck sites spanning nearly two centuries of maritime history. This marine protected area offers a unique intersection of submerged archaeological resources, shallow shoals, coastal marshes, and limestone bedrock, forming a vital freshwater ecosystem in the Great Lakes region of Michigan.
- Area
- 11,000 km²
- Established
- 2000
- Relief
- Lowland
- Climate
- Temperate







