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Pegunungan Pompangeo
Pegunungan Pompangeo (Pompangeo Mountains, Pompangeo Gebergte) is a mountain range in Central Sulawesi, Indonesia, 2,278 m high, forming the boundary between Poso and North Morowali regencies and built of the Early Cretaceous Pompangeo Schist Complex.
Pegunungan Wondiwoi
Pegunungan Wondiwoi, or Wondiwoi Mountains, is a mountain range on the Wandammen Peninsula in West Papua, Indonesia, home to the critically endangered Wondiwoi tree kangaroo.
Peinado
Peinado (Cerro Peinado, Volcan del Manantial) is a 5,741 m symmetrical stratovolcano in Argentina's Central Andean Volcanic Arc, younger than 100,000 years, with no known Holocene eruptions and no monitoring.
Pelee, Ontario
Pelee Island, Ontario: largest of the nine-island Township of Pelee in western Lake Erie, Canada's southernmost inhabited land at 41 degrees north. Reached by ferry from Leamington, Kingsville, or Sandusky, Ohio, with winter air service to Windsor; noted for alvars, rare species, and viticulture.
Pelion (Πήλιο)
Pelion (Πήλιο), Mount Pelion, is a forested mountain peninsula in southeastern Thessaly, Greece, east of Volos between the Pagasetic Gulf and the Aegean. Highest peak Stavros, 1,624 m; home of centaur Chiron in myth; stone villages, kalderimi trails, and the Argo's pine-woods.
Pelseneer Island
Pelseneer Island, also known as Pic Luigi de Savoie, is a small ice-covered island in Wilhelmina Bay off Graham Land, discovered by the Belgian Antarctic Expedition of 1897–99.
Pemba Island
Pemba Island (al Khudhra, the Green Island), Tanzania: smaller Zanzibar island, ~1,070 km2, 55 km offshore across the deep Pemba Channel; oceanic island, clove economy, Ngezi forest, PECCA marine area.
Pemberton Icefield
Pemberton Icefield (Pemberton Icecap), a roughly 300 km² icefield in the Pacific Ranges of British Columbia's Coast Mountains southwest of Pemberton; outlet glaciers retreated up to nearly 3 km by 2002 and about 42% of its area was lost between 1985 and 2025.
Pen y Fan
Pen y Fan ("top of the peak") is an 886 m flat-topped mountain in Bannau Brycheiniog (Brecon Beacons) National Park, South Wales, the highest in southern Britain, with Corn Du, Cribyn and Fan y Big nearby and heavily used walking routes from the A470.
Pendine Sands
Pendine Sands, a seven-mile Carmarthenshire beach in Wales, hosted world land speed records 1924-1927 (Campbell, Parry Thomas's fatal Babs crash), and remains a record venue, MOD range, and SAC dune site.
Pendle Hill
Pendle Hill is an isolated 557-meter hill in Lancashire, England, known for the 1612 witch trials in which ten people were hanged and for George Fox's 1652 Quaker vision.
Penghu
Penghu (澎湖, Pescadores) is an archipelago of about 90 basalt islands in the Taiwan Strait and Taiwan's only island county, the earliest Chinese-administered part of the Taiwan area (office established 1281), with about 93,000 residents.
Peninsula
Peninsula: land almost entirely surrounded by water but connected to the mainland on one side, from Latin paeninsula (almost an island). Attached by an isthmus; examples include Iberian, Korean, Florida, and Baja California.
Península Mitre
Península Mitre, also proposed as Península Haush, is the easternmost peninsula of Isla Grande de Tierra del Fuego, Argentina; a Ramsar site (2024) and provincial protected area (2022) known for vast peatlands and kelp forests.
Peninsular Malaysia
Peninsular Malaysia (Semenanjung Malaysia), also West Malaysia or Malaya, is Malaysia's mainland portion: 131,690 km², 11 states plus Kuala Lumpur FT, independent as the Federation of Malaya in 1957, forming Malaysia in 1963.
Pennines
The Pennines, the upland backbone of northern England, are a dissected plateau of Carboniferous rocks rising to about 600 m, with Millstone Grit moors, blanket peat, and a Miocene Brassington Formation record.
Penny Ice Cap
Penny Ice Cap, a ~5,900 km2 remnant of the Laurentide Ice Sheet on Baffin Island's Cumberland Peninsula, Nunavut, Canada's southernmost major ice cap, with a firn zone, ice-core climate record, and accelerating mass loss.
Penrhyn atoll
Penrhyn, or Tongareva, is the northernmost and largest atoll of the Cook Islands at 9°S, 157°W: 14 low islets around a large lagoon, sighted in 1788, annexed by Britain in 1888, with villages Omoka and Te Tautua.
Pensacola Mountains
Pensacola Mountains: Antarctic mountain group at the Weddell Sea end of the Transantarctic Mountains, 540 km long, rising to 2135 m at Mackin Table; discovered 1956, named for Naval Air Station Pensacola, Florida.
Pentecost Island
Pentecost Island (Pentecôte, Pentikos, Raga) is a 490 km² island in Penama Province, Vanuatu, 190 km north of Port Vila, home of the naghol land diving ritual that inspired bungee jumping and birthplace of Walter Lini.
Percé Rock
Percé Rock (rocher Percé), a reddish limestone monolith off Percé, Quebec, at the tip of the Gaspé Peninsula; 471 m long, 75–88 m high, with a sea arch, sandbar link, 1919 bird sanctuary status, and protected national park setting.
Perito Moreno Glacier
Perito Moreno Glacier (Glaciar Perito Moreno), a 260 km2 freshwater-calving glacier in Los Glaciares National Park, Patagonia, Argentina; stable for a century until 2018, now retreating rapidly.
Perserajoq
Perserajoq, also spelled Perserajôq, is a 2,259 m mountain in the Qioqe peninsula of western Greenland, the highest on the coast and sixth among Greenland's ultra-prominent peaks.
Perth Basin
The Perth Basin is an onshore and offshore sedimentary basin extending about 1,300 km along the southwestern margin of Australia in Western Australia, named after Perth.
Pete's Paradise Cave
Pete's Paradise Cave (كهف فردوس بيت) is a decorated limestone cave on Gibraltar's Rock, discovered in 1966 by the Gibraltar Cave Research Group, with four chambers named by George Palao, cave pearls, and three of Gibraltar's four palette formations.
Petermann Island
Petermann Island is an Antarctic island in the Wilhelm Archipelago off the Antarctic Peninsula, discovered by Eduard Dallmann in 1874 and known for its gentoo penguin colony.
Peuet Sague
Peuet Sague (Peut Sagoe, Puet Sagu) is a remote 2,785 m volcanic complex with four summit peaks in Aceh, NW Sumatra, Indonesia. Its seven confirmed eruptions (1918-21 through December 2000) produced explosions, ashfall to 20 km, lava domes, and pyroclastic flows.
Phantom island
Phantom islands, also called ghost islands or ex-isles, are islands charted on maps, sometimes for centuries, that were later proven nonexistent; causes include mirages, icebergs, copied errors, fraud, and cases like Sandy Island and Bermeja.
Phi Phi Islands
Phi Phi Islands: limestone archipelago in Thailand's Andaman Sea, Krabi province, in Hat Noppharat Thara–Mu Ko Phi Phi National Park. Main islands Phi Phi Don and Phi Phi Leh; Maya Bay, The Beach filming site, closed 2018–2022 for reef recovery.
Phillip Island
Phillip Island (Millowl) is a 100 km2 island in Western Port, Victoria, home of the Bunurong's Yallock Bulluk clan, the famous little penguin Penguin Parade, and the Phillip Island Grand Prix circuit, connected to San Remo by bridge.