Port Kennedy Bone Cave
| Port Kennedy Bone Cave | |
|---|---|
| Location | Valley Forge National Historic Park, Port Kennedy, Pennsylvania |
| Depth | 50 ft (15 m) |
| Discovery | c. 1894 |
| Geology | Potsdam Limestone |
| Entrances | 1 |
| Hazards | buried |
| Access | Restricted |
The Port Kennedy Bone Cave is a limestone cave in the Port Kennedy section of Valley Forge National Historical Park, Pennsylvania, USA. The Bone Cave "contained one of the most important middle Pleistocene (Irvingtonian, approximately 750,000 years ago) fossil deposits in North America".