Underground River Palawan

Underground River Palawan is a world heritage site inscribed by the UNESCO, this natural wonder features an 8.2 kilometer navigable underground river, that winds through a spectacular cave before emptying out in to the South China Sea.
The river flows within a deep cavern under rugged limestone and marble cliffs, the special features of the park. Within the awesome recesses of the cave, one winds through the tunnel aboard a paddle boat. Stalactite pillars, rock formations, domed amphitheaters and cathedrals are outstanding features of the park.