A UNESCO World Heritage Site and one of the New7Wonders of Nature, this subterranean river flows for 8.2 kilometers through a spectacular limestone cave system before emptying into the South China Sea. It features dramatic stalactites and stalagmites and is home to diverse wildlife. Visitors explore the river by paddleboat through the first 1.5 kilometers of the cave.
| Category | Cave |
| Province | Palawan |
| Region | Region IV-B - MIMAROPA |
| Coordinates | 10.16870000, 118.91840000 |