West
Thunder Bay National Marine Sanctuary: Geography and Protected Maritime Landscape Context
Mapping underwater heritage in the Michigan Great Lakes region
Spanning 4,300 square miles of Lake Huron, Thunder Bay National Marine Sanctuary preserves a significant collection of shipwrecks within a glacially shaped freshwater terrain. This marine protected area offers a look at submerged geography ranging from shallow coastal bays to deep lake basins. It serves as a vital anchor for understanding maritime history and freshwater ecosystem stability across the Michigan shoreline.
- Area
- 11,000 km²
- Established
- 2000
- Relief
- Lowland
- Climate
- Temperate






