Libmanan Caves National Park is a protected area of the

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

located in Barangay Sigamot in the municipality of

Libmanan Libmanan, officially the Municipality of Libmanan ( bcl, Banwaan kan Libmanan; tl, Bayan ng Libmanan), is a 1st class municipality in the province of Camarines Sur, Philippines. According to the 2020 census, it has a population of 112,994 people. ...

Camarines Sur Camarines Sur ( bcl, Habagatan na Camarines; tl, Timog Camarines), officially the Province of Camarines Sur, is a province in the Philippines located in the Bicol Region on Luzon. Its capital is Pili and the province borders Camarines Norte an ...

Bicol Region Bicol, known formally as the Bicol Region or colloquially as Bicolandia ( bcl, Rehiyon kan Bikol; Rinconada Bikol: ''Rehiyon ka Bikol''; Waray Sorsogon, Masbateño: ''Rehiyon san Bikol''; tl, Rehiyon ng Bikol), is an administrative region of ...

. It is centered on the massive 2,856-meter-long Colapnitan Cave, the tenth longest cave in the Philippines. The park itself covers a total area of 19.4 hectares across the hilly farmlands of Libmanan, known to host at least 18 more limestone caves of varying lengths, shapes and wonder. It was established in 1934 by virtue of Proclamation No. 654. The park is famous as the habitat of thousand of bats whose guano has been gathered from the cave for decades. It is also home to swiftlets and some great long-armed spiders of the species ''Phrynus'', known to be poisonous.

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