A subterranean river is a river or watercourse that runs wholly or partly beneath the ground, one where the riverbed does not represent the surface of the Earth. It is distinct from an aquifer, which may flow like a river but is contained within a permeable layer of rock or other unconsolidated materials. A river flowing below ground level in an open gorge is not classed as subterranean.
Palawan, officially the Province of Palawan, is an archipelagic province of the Philippines that is located in the region of Mimaropa. It is the largest province in the country in terms of total area of 14,649.73 km2 (5,656.29 sq mi). The capital and largest city is Puerto Princesa wherein it is geographically grouped but administered independently from the province. Palawan is known as the Philippines' Last Frontier and as the Philippines' Best Island.
El Nido, officially the Municipality of El Nido, is a 1st class municipality in the province of Palawan, Philippines. According to the 2020 census, it has a population of 50,494 people.
Palawan is the largest island of the province of Palawan in the Philippines and fifth-largest by area and tenth-most populous island of the country, with a total population of 994,101 as of 2020 census. The northwest coast of the island is along the Palawan Passage in the eastern South China Sea, while the southeast coast forms part of the northern limit of the Sulu Sea. Much of the island remains traditional and is considered by some as under-developed. Abundant wildlife, jungle mountains, and some white sandy beaches attract many tourists, as well as international companies looking for development opportunities.
Puerto Princesa, officially the City of Puerto Princesa, is a 1st class highly urbanized city in the Mimaropa region of the Philippines. According to the 2020 census, it has a population of 307,079 people.
The Tubbataha Natural Park, also known as the Tubbataha Reefs Natural Park, is a protected area of the Philippines located in the middle of the Sulu Sea. The marine and bird sanctuary consists of two huge atolls and the smaller Jessie Beazley Reef covering a total area of 97,030 hectares. It is located 150 kilometres (93 mi) southeast of Puerto Princesa, the capital of Palawan. The uninhabited islands and reefs are part of the island municipality of Cagayancillo, located roughly 130 kilometers (81 mi) to the northeast of the reef.
Puerto Princesa International Airport is an airport serving the general area of Puerto Princesa, located in the province of Palawan in the Philippines. It is classified as an international airport by the Civil Aviation Authority of the Philippines.
The Tabon Caves is a cave system located in Lipuun Point, Panitian, Quezon, Palawan in the Philippines. Dubbed as the country's "cradle of civilization", it is a site of archaeological importance due to the number of jar burials and prehistoric human remains found starting from the 1960s, most notably the Tabon Man. The system is a part of the Lipuun Point Reservation, which has been protected by the Philippine government as a museum reservation to protect the caves and its immediate vicinity from deforestation and to preserve the cultural artifacts present there.
Edward Solon Hagedorn was a Filipino politician who was the mayor of Puerto Princesa, Philippines, and later the representative of Palawan's 3rd congressional district.
The Palawan hornbill is a large forest bird endemic to the Philippines. It is one of the 11 endemic hornbills in the country. It is only found in Palawan and nearby islands of Balabac, Busuanga, Calauit, Culion and Coron. It is locally known as 'talusi' in the language Cuyunon, It is threatened by habitat loss, hunting and trapping for the cage-bird trade.
The blue-headed racket-tail, also known as the Palawan racket-tail and locally as kinawihan, is a parrot found in the western Philippines around Palawan. The species was formerly considered conspecific with the blue-crowned racket-tail. It is locally known as 'kilit'. It inhabits humid lowland forest in small flocks. It is threatened by habitat destruction and limited trapping for the cage-bird trade.
The Palawan flycatcher is a species of bird in the family Muscicapidae. It is endemic to the Philippines found only in the region of Palawan. Its natural habitat is tropical moist lowland forests. It is threatened by habitat loss.
The falcated wren-babbler is a species of bird in the family Pellorneidae. It is endemic to Palawan.
The Philippine porcupine or Palawan porcupine is a species of rodent in the family Hystricidae endemic to the island of Palawan in the Philippines. It is known locally as durian or landak.
The Palawan bearded pig is a pig species in the genus Sus endemic to the Philippines, where it occurs on the archipelago of islands formed by Balabac, Palawan, and the Calamian Islands. It is 1 to 1.6 m in length, about 1 m (3.3 ft) tall and weigh up to 150 kg (330 lb).
The Philippine long-tailed macaque is a subspecies of the crab-eating macaque, known in various Philippine languages as matching/matsing or the more general term unggoy ("monkey"). It is endemic to the Philippine forests and woodlands, but especially in the mangrove forests of western central Philippines— particularly in Palawan, the Visayas, and Mindanao. The names M. f. philippinensis and M. f. philippinenesis have also been used, but arise from orthographical error.
Jonavi Raisa Bernas Quiray is a Filipino architect, environmentalist, and beauty queen who won Miss Philippines Air 2011, Miss ASEAN TV Charm 2010, Mutya ng Pilipinas International 2008, and Mutya ng Palawan 2005.
Biosphere reserves are areas comprising terrestrial, marine and coastal ecosystems. The biosphere reserve title is handed over by UNESCO. Each reserve promotes solutions reconciling the conservation of biodiversity with its sustainable use. Biosphere reserves are 'Science for Sustainability support sites' – special places for testing interdisciplinary approaches to understanding and managing changes and interactions between social and ecological systems, including conflict prevention and management of biodiversity. Biosphere reserves are nominated by national governments and remain under the sovereign jurisdiction of the states where they are located. Their status is internationally recognized.
Rasa Island is a flat coral island in the Sulu Sea just off the coast of the municipality of Narra in Palawan, Philippines. It is a shallow island surrounded by mangroves and tidal flats containing one of the country's last remaining coastal forests. The island is home to the largest population of the endemic and critically endangered Philippine cockatoo in the wild in the Philippines. It was declared a protected area in 2006.
Malampaya Sound is a protected inlet of the South China Sea on the northwestern coast of Palawan Island in western Philippines. It is a geographic sound consisting of a complex of sheltered bays, coves, estuaries and islands separated from the sea to the west by the Copoas Peninsula. The sound is within the municipality of Taytay and is an important feature for the ecology and economy of the province of Palawan. It is considered one of the finest natural harbors in the Philippines and one of Palawan's richest fishing grounds.
