3,546 articles
Phoenix Islands
Phoenix Islands (Rawaki group): eight coral islands in central Pacific Kiribati, mostly uninhabited, enclosed by the 408,250 sq km Phoenix Islands Protected Area, a UNESCO World Heritage site inscribed in 2010; commercial fishing closure of 2015 was repealed in 2021.
Phreatic zone and phreatic cave passages
Phreatic zone and phreatic cave passages: the water-saturated zone below the water table and the flooded, tube-shaped, looping cave passages formed there, contrasted with vadose passages and used as sea-level and hydrochemistry indicators.
Phu Bia
Phu Bia (Phou Bia, ພູເບັ້ຍ) is the highest mountain in Laos and the Annamite Range, about 2,817–2,830 m, in Xaisomboun Province; an ultra-prominent peak with restricted access, temporarily closed to tourists in August 2026.
Phú Quốc
Phú Quốc (Phu Quoc, Đảo Ngọc), Vietnam's largest island in the Gulf of Thailand, now the special zone Phú Quốc in An Giang province: 567 km² main island, 150 km coast, fish sauce and pepper, UNESCO biosphere, APEC 2027 host.
Phuket
Phuket (ภูเก็ต), Thailand's largest island province in the Andaman Sea, 570 km² with 32 satellite islands; historic tin port once called Jungceylon and Thalang, now a major tourist destination with over 14.5 million visitors in 2024.
Pic Boby
Pic Boby (Imarivolanitra), 2,658 m, is Madagascar's second-highest peak, the summit of the Andringitra Massif in Andringitra National Park south of Ambalavao; a non-technical trek over potassic syenite with 1,875 m prominence.
Pic la Selle
Pic la Selle (Pik Lasel, Morne La Selle) is Haiti's highest peak at 2,680 m, in the Chaîne de la Selle range; a probable Black-capped Petrel nesting site in Foret de Pins II National Park.
Picacho del Diablo
Cerro Picacho del Diablo (Cerro de la Encantada, Big Picacho) is a 3,096 m granite peak in Baja California's Sierra de San Pedro Mártir, the highest point on the Baja California peninsula, first climbed in 1911 by Donald McClain.
Pickaxe Mountain
Pickaxe Mountain (Kuh-e Kolang Gaz La, کوه کلنگ گز لا) is a 1,608 m mountain in Isfahan, Iran, about 2 km south of Natanz, beneath which Iran has built a deep granite tunnel facility since 2020, stated as a centrifuge assembly plant, never IAEA-inspected.
Pico
Pico (Montanha do Pico) is a basaltic stratovolcano on Pico Island, Azores, Portugal's highest point at 2,351 m; last erupted 1720, with historical eruptions in 1562–64 and 1718.
Pico Bolivar
Pico Bolívar, also called La Columna, is Venezuela's highest mountain at 4,978.4 ± 0.4 m by 2002 GPS survey (official 5,007 m since 1928), in the Sierra Nevada de Mérida; first climbed 5 January 1935.
Pico de Aneto
Pico de Aneto is a 3,404 m granite peak in the Maladeta massif of the central Pyrenees, in the province of Huesca, Spain, and the range's highest summit.
Pico de Bandeira
Pico de Bandeira, Portuguese Pico da Bandeira, is a 2,892-meter mountain in the Serra do Caparaó on the border of Minas Gerais and Espírito Santo, the third-highest point in Brazil.
Pico de Neblina
Pico da Neblina, called Yaripo by the Yanomami, is Brazil's highest mountain at 2,995.30 meters, on the Brazil–Venezuela border in Amazonas and the highest in South America east of the Andes.
Pico de Orizaba
Pico de Orizaba (Citlaltépetl), Mexico's highest peak and North America's highest volcano, is a stratovolcano on the Puebla–Veracruz border, last erupting in 1846, whose Glaciar Norte is Mexico's last glacier.
Pico de São Tomé
Pico de São Tomé, highest peak of São Tomé Island and of São Tomé and Príncipe at 2,024 m, a volcanic summit on the Cameroon Volcanic Line northwest of the island's center.
Pico del Mulhacén
Pico del Mulhacén, also Muley-Hacén, is a 3,479 m peak in Sierra Nevada, Granada, Spain, the highest of the Iberian Peninsula and second in Spain after Teide, named for the Nasrid sultan Muley Hacén.
Pico Duarte
Pico Duarte, formerly Pico Trujillo, is the highest mountain of the Dominican Republic, Hispaniola, and the Caribbean, in the Cordillera Central; officially 3,087 m, measured at 3,098 m (GPS, 2000) and 3,101.1 m (GNSS, 2021).
Pico Pedra da Mina (Pontan)
Pico Pedra da Mina (Pedra da Mina), 2,798.2 m, is Brazil's fourth highest point and the highest of Serra da Mantiqueira and São Paulo state, on the Queluz/Lavrinhas–Passa Quatro border; a nepheline syenite peak of the Passa Quatro Alkaline Complex.
Pico Turquino
Pico Turquino (Pico Real del Turquino), 1,974 m, is Cuba's highest peak, in the Sierra Maestra's Turquino National Park; climbed by guided treks from Alto del Naranjo (Granma) or Las Cuevas, near the Comandancia de la Plata.
Pidurutalagala
Pidurutalagala (Mount Pedro; පිදුරුතලාගල) is Sri Lanka's highest mountain, 2,524 m, north of Nuwara Eliya in the Central Highlands; its radar- and communications-hosting summit is a restricted military zone.
Piedmont (United States)
Piedmont (United States): Appalachian physiographic province of rolling hills between the Blue Ridge and the Coastal Plain's Fall Line, from New York to Alabama, on Precambrian-Paleozoic crystalline rocks under thick saprolite.
Pig Beach
Pig Beach is Big Major Cay, an uninhabited cay in the Exuma Cays, Bahamas, home to about 20 feral swimming pigs descended from livestock relocated from Staniel Cay in the early 1990s, reachable only by boat.
Pik Aborigen
Pik Aborigen (Пик Абориген), summit in the Bolshoy Anngachak range, Chersky system, Magadan Oblast, Russia; long cited at 2,586 m, revised to about 2,286-2,287 m; first climbed 1957 by P. Z. Demant; regional nature monument since 2017.
Pik Achiktash (ex. Lenina)
Pik Achiktash (ex. Lenina): entry name for Lenin Peak, now Ibn Sina Peak (пик Ленина), a 7,134 m Pamir summit on the Kyrgyzstan–Tajikistan border, with the Achiktash valley base camp at 3,600 m.
Pik BAM (HP Kodar)
Pik BAM (Пик БАМ), 3,072 m, is the highest peak of the Kodar Ridge and of Zabaykalsky Krai, Transbaikalia, Siberia; first climbed 26 July 1963 by Chita alpinists led by A. I. Kuzminykh and named for the Baikal-Amur Mainline builders.
Pik Imeni Ismail Samani (ex. Kommunizma)
Pik Imeni Ismail Samani (Ismoil Somoni Peak, ex-Stalin Peak, ex-Communism Peak) is Tajikistan's 7,495 m highest summit in the Pamirs' Academy of Sciences Range, first climbed in 1933 by Yevgeniy Abalakov.
Pik Karla Marksa
Pik Karla Marksa, also called Karl Marx Peak (Пик Карла Маркса), is a 6,723-meter glaciated mountain in the Shakhdara Range of the Pamir in Tajikistan.
Pik Mus-Khaya
Pik Mus-Khaya (Мус-Хая, Муус Хайа, "Ice mountain") is a 2,959 m ultra-prominent peak in Yakutia, Russia, highest summit of the Suntar-Khayata Range, second highest in Yakutia, with Northeast Siberia's largest glaciated area.
Pik Patkhor
Pik Patkhor (Патхор, Patkhor Peak) is a 6,083 m mountain in Gorno-Badakhshan, Tajikistan, the highest summit of the Rushan Range in the Pamirs, first climbed in 1946.