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History
The PPSRNP was established on March 26, 1971, by virtue of Presidential Proclamation No.835. Formerly known as the St. Paul Subterranean National Park, it initially comprised of 3,901 hectares. To ensure long-term viability, Proclamation No. 212 was signed on November 16, 1999 expanding the area of the Park to 22,202 hectares and renamed Puerto Princesa Subterranean River National Park to properly identify it with the place.