3,546 articles
Dofana
Dofana, a 5,940 m ultra-prominent peak in Astore District, Gilgit-Baltistan, Pakistan; highest summit of the Deosai Range with 1,875 m prominence, first climbed in 2007 by Alpinclub Sachsen.
Dolleman Island
Dolleman Island, also Isla Dolleman, is a rounded ice-covered island off Palmer Land, Antarctica, at 70°37'S 60°45'W. Discovered in 1940 by the US Antarctic Service East Base and named for Hendrik Dolleman; a BAS ice-core drilling site.
Dolomites
The Dolomites are a dolomite-rock mountain range in northeastern Italy, a nine-part UNESCO World Heritage site (2009) of 141,903 ha with 18 peaks above 3,000 m, famed for Triassic fossil reefs, towering limestone walls, and rapidly retreating glaciers such as the Marmolada.
Dombai-Ulgen
Dombai-Ulgen (Домбай-Ульген; დომბაი ულგენი), 4,046 m Caucasus peak on the Russia–Abkhazia/Georgia border; highest point of Abkhazia and the Western Caucasus, first climbed 1914.
Dome A (domo a)
Dome A (Dome Argus) is the highest point of the Antarctic ice sheet, 4,093 m, in East Antarctica, over the Gamburtsev Subglacial Mountains. Site of China's Kunlun Station (2009), automated weather stations, ice coring, and leading astronomical observation.
Dome C
Dome C, also called Dome Concordia, is an East Antarctic ice dome hosting Concordia Station, best known as the EPICA deep ice core drilling site.
Dome F
Dome F (Dome Fuji, ドームふじ) is the second-highest summit of the Antarctic ice sheet, 3,810 m, in East Dronning Maud Land, site of Japan's Dome Fuji Station and deep ice cores to 3,035 m.
Dominica
Dominica (Commonwealth of Dominica), the Nature Isle of the Caribbean: a mountainous Eastern Caribbean island between Martinique and Guadeloupe, independent since 1978, with nine volcanoes, Morne Trois Pitons UNESCO park, and a tourism, agriculture, and citizenship-by-investment economy.
Donbas
Donbas (Donets Basin), coal-mining and industrial region of eastern Ukraine and adjacent Russia; site of the 2014 DPR and LPR separatist republics and the ensuing war.
Donner Pass
Donner Pass is a 7,135-foot Sierra Nevada pass in California, named for the stranded Donner Party of 1846 and later crossed by the transcontinental railroad and Interstate 80.
Dorsey Island
Dorsey Island (Spanish: Dorsey, Isla) is an ice-covered Antarctic island at about 70°22'S, 71°30'W in the Wilkins Ice Shelf region near Alexander Island, notable for a rare 2-by-2-km sea lake at its northeast end.
Dotsero
Dotsero (Volcano Number 328010) is a maar and scoria cone complex in Eagle County, Colorado, near the Colorado-Eagle River junction. Its basaltic eruptions about 4,150 radiocarbon years ago (2200 BCE) are Colorado's youngest volcanism; USGS threat potential is Moderate.
Douglas (volcano)
Mount Douglas (Smithsonian VNum 312270) is a 2,140 m glacier-covered stratovolcano in Katmai National Park on the Alaska Peninsula, 12 km northeast of Fourpeaked Mountain, with no historical eruptions, an acidic warm crater lake, fumaroles, and 2016 earthquake swarms.
Douglas Range
Douglas Range, Antarctica: sharp-crested mountain range on Alexander Island, peaks to 3,000 m, running 75 mi NW-SE from Mount Nicholas to Mount Edred above George VI Sound; named for Admiral Sir Percy Douglas of the British Graham Land Expedition.
Doushantuo Formation
Doushantuo Formation (陡山沱组), Ediacaran succession in South China, 635–551 Ma, famed for phosphatized embryo-like fossils, Weng'an biota, and debates over the oldest animals.
Dradullungshog
Dradullungshog (Amne Machin I, Amnye Maqen) is the 6,282 m main summit of the sacred Amne Machin massif in Golog, Qinghai, China; an ultra-prominent peak first climbed by a Japanese expedition on 22 May 1981.
Dragon Hole
Dragon Hole, or Sansha Yongle Blue Hole (三沙永乐龙洞), is a 301.19 m deep karst blue hole in Yongle Atoll, Xisha Islands, South China Sea; deepest known blue hole until Mexico's Taam Ja' exceeded 420 m in 2023.
Dragon's Breath Cave
Dragon's Breath Cave (Drachenhauchloch) near Grootfontein, Namibia, discovered in 1986, holds the world's largest known non-subglacial underground lake, about 2 hectares and roughly 264 m deep, explored by divers and the 2019 Sunfish AUV.
Drakensberg
Drakensberg (uKhahlamba, Zulu 'Barrier of Spears'), basalt-capped mountain escarpment in South Africa and Lesotho, eastern edge of the Great Escarpment; peaks over 3,400 m, principal Southern African water source, Maloti-Drakensberg World Heritage Site with San rock art.
Drakensberg - Maloti Highlands
The Drakensberg - Maloti Highlands are a 300 km alpine mountain belt straddling the Lesotho-South Africa border, Southern Africa's most important water catchment area and a transnational World Heritage Site.
Drepanon (promontory)
Drepanon (Δρέπανον, "sickle") is the name of several ancient promontories: in Achaia (modern Drepano), on Crete near Chania, on Cyprus, in Sicily (Trapani), and on Egypt's Red Sea coast (Ras Gargub), each named for a sickle-like shape.
Driftless Area
Driftless Area: unglaciated Upper Mississippi Valley region of southwest Wisconsin, northwest Illinois, southeast Minnesota, and northeast Iowa, lacking glacial drift, with deep river valleys, karst, and coldwater trout streams.
Drumlin
A drumlin is an elongated oval hill of glacial sediment, mainly till, molded under flowing ice; its blunt end faces up-glacier, and drumlins occur in drumlin fields.
Ducie Island
Ducie Island is an uninhabited atoll of the Pitcairn Islands, the most easterly island on the Pacific Plate, hosting over 90% of the world's Murphy's Petrels.
Dufek Massif
Dufek Massif, in the northern Pensacola Mountains of East Antarctica, exposes the lower 1.8 km of the Jurassic Dufek layered gabbro intrusion, discovered in 1957 during IGY exploration and largely ice-covered.
DuFief, Sierra
DuFief, Sierra (Fief Mountains) is a 1,415 m mountain group on SW Wiencke Island, Palmer Archipelago, Antarctica, named for Belgian geographer Jean du Fief and mapped by the 1898 Belgian Antarctic Expedition.
Dufourspitze
Dufourspitze (4,634 m), also called Monte Rosa summit, is Switzerland's highest peak and the Alps' second highest after Mont Blanc, in the Monte Rosa massif near Zermatt; first climbed 1 August 1855 by Charles Hudson's team, renamed in 1863 for General Guillaume-Henri Dufour.
Dundee Island
Dundee Island: ice-covered Antarctic island, 450 km², south of Joinville Island at 63°29'S; named 1892-93 by Captain Thomas Robertson of Dundee whaling fleet; site of Argentina's Petrel Base and the Cape Purvis volcano.
Dungeness
Dungeness, Kent: a cuspate shingle foreland on Romney Marsh, the largest shingle feature in Europe, with lighthouses since 1615, Dungeness A and B nuclear stations, an NNR, and Prospect Cottage.
Dunheger (eastern asia, WWlists_ultras_china2:1.18)
Dunheger (阿同敖包, Altun Obo) is a roughly 3,315 m peak in eastern Central Asia with 2,075 m of topographic prominence, an ultra-prominent summit on Peakbagger's 2,000 m prominence peaks of China list.