William Bay National Park
| William Bay National Park Western Australia | |
|---|---|
Elephant Rocks | |
| Nearest town or city | Denmark |
| Coordinates | 35°01′35″S 117°14′06″E / 35.02639°S 117.23500°E |
| Established | 1971 |
| Area | 17.34 km2 (6.7 sq mi) |
| Managing authorities | Department of Parks and Wildlife |
| Website | William Bay National Park |
| See also | List of protected areas of Western Australia |
William Bay National Park is a national park in the Great Southern region of Western Australia, 369 km (229 mi) southeast of Perth and between the towns of Denmark and Walpole.