3,546 articles
Jabal Arkanu
Jabal Arkanu (also spelled Arkenu) is a 1,435-meter granite mountain in southeastern Libya's Al Kufrah district, near the Egyptian border, and the third highest in Libya.
Jabal Bin Ghunaymah
Jabal Bin Ghunaymah (جبل بن غنيمة, Gebel Ben Ghnema) is a 628 m mountain and range in Murzuq District, south-central Libya, forming a massif with Dor el Goussa and bounding the Sarir Tibesti sub-basin on the west.
Jabal Hamoyet
Jabal Hamoyet (جبل هامويت), also Hamoet or Monte Hamaet, is a 2,780 m mountain on the Sudan–Eritrea border and one of the high named peaks of the Eritrean Highlands.
Jabal Jihaf
Jabal Jihaf (جبل جحاف, also Jabal Jahaf) is a 2,402 m mountain in Jahaf District, Dhale Governorate, Yemen, near Dhale; a rocky massif with summit cultivation described in the 1905-1908 British Aden Protectorate military report.
Jabal Oda
Jabal Oda (Jebel Oda, جبل عود) names several African mountains, chiefly a 2,259 m Red Sea Hills peak in Sudan at 20°20'N, 36°38'E; lesser namesakes include peaks of 1,567 m and 509 m in Sudan and a 1,020 m hill in South Sudan.
Jabal Sawda
Jabal Sawda (جَبَل ٱلسّوْدَة), also Jabal Soudah, a peak in the Sarawat range in Asir, Saudi Arabia, near Abha. Long called the kingdom's highest at 3,015 m; 2018 differential GPS survey measured 2,998.7 m, with Jabal Ferwa 3.1 m higher.
Jabal Teljo
Jabal Teljo is a mountain and volcanic intrusion in Northern Darfur, Sudan, part of the Kutum Volcanic Field (Tagabo Hills), at about 14.7°N 25.93°E; reported elevations range from 1,338 to 1,954 m.
Jackson Hole
Jackson Hole is a valley in northwestern Wyoming between the Teton and Gros Ventre ranges, named for trapper Davey Jackson in 1829. It holds 11,000 years of human history and most of Grand Teton National Park.
Jacob's Well (Texas)
Jacob's Well is an artesian karst spring in Cypress Creek near Wimberley, Hays County, Texas, feeding the Middle Trinity (also described as Edwards) aquifer cave system, mapped over 7,000 feet, closed to swimming since 2022.
Jade Mountain
Yushan (玉山), or Jade Mountain, is Taiwan's highest peak at 3,952 m in the Central Mountain Range, formerly Mount Niitaka, centerpiece of Yushan National Park and a major climbing destination.
Jagged Island (island)
Jagged Island is a small rocky island 2.5 miles NNW of Round Point, King George Island, South Shetland Islands, Antarctica, charted by Discovery Investigations in 1935; Argentina calls it Isla Gregores.
Jakobshavn Glacier
Jakobshavn Glacier (Sermeq Kujalleq, Jakobshavn Isbræ) is West Greenland's fastest, largest outlet glacier, draining 6.5% of the ice sheet, disintegrating ice shelf in 2002, and ocean-temperature-paced retreat and 2016 re-advance.
James Ross Island (landform)
James Ross Island is a large, partly ice-covered island off the northeastern Antarctic Peninsula, named for explorer James Clark Ross. It hosts a Cretaceous sedimentary basin beneath the Neogene James Ross Island Volcanic Group, rich fossil deposits including a titanosaur, and retreating glaciers.
Jameson Land
Jameson Land, a peninsula in eastern Greenland north of Scoresby Sound, hosts the Jameson Land Basin, an undrilled ~10,000 km2 sedimentary basin explored by ARCO (1984–1990) and now licensed to White Flame Energy/80 Mile with Greenland Energy planning first drilling.
Jan Mayen
Jan Mayen: Norwegian Arctic volcanic island at 71°N, 377 km², dominated by Beerenberg (2,277 m), the world's northernmost active subaerial volcano and Norway's only active volcano; nature reserve since 2010.
Janiculum
Janiculum (Gianicolo), hill on Rome's right bank above Trastevere, second-tallest in the city but not one of the Seven Hills; site of the 1849 Roman Republic defense, Risorgimento monuments, and the daily noon cannon begun by Pius IX in 1847.
Jargalant Khairkhan
Jargalant Khairkhan, also known as Dzüün Jirgalanta Nuruu, is a 3,796 m mountain in Khovd Province, Mongolia, a stand-alone massif near the city of Khovd.
Jarvis Island
Jarvis Island, also called Bunker's Island, an uninhabited U.S. Line Island just south of the equator; a 1974 National Wildlife Refuge in the Pacific Islands Heritage Marine National Monument, once a guano mine, closed to the public.
Jason Peninsula
Jason Peninsula is a peninsula on the Oscar II Coast of Graham Land, Antarctica, named in 1893 by Captain Carl Anton Larsen after his ship Jason.
Java
Java (Jawa), Indonesia's main island, is the world's most populous island: about 137 million people on roughly 128,000 km², a volcanic arc with fertile soils, dense agriculture, sinking coasts, and the capital Jakarta.
Jazīrat Būbiyān
Jazīrat Būbiyān (جزيرة بوبيان), Bubiyan or Boubyan Island, Kuwait's largest island, a flat uninhabited deltaic sabkha island in the northwest Arabian Gulf, Ramsar-protected in the north and site of the Mubarak Al Kabeer Port project.
Jazīrat Maşīrah
Jazīrat Maşīrah (جزيرة مصيرة), Masirah Island, is Oman's largest island in the Arabian Sea, known for its globally important loggerhead turtle rookery, four nesting sea turtle species, Neolithic archaeology, and kitesurfing winds.
Jazīreh-ye Sheykh Andarābī
Jazireh-ye Sheykh Andarabi (جزیره شیخ اندرابی), a small uninhabited island in the Khuran straits, Hormozgan, Iran, near Laft on Qeshm; low mangrove-covered island with the Sheikh Andarabi shrine, part of Qeshm Geopark.
Jbel Tidirhine
Jbel Tidirhine (Adrar Tidighine, Djebel Tidighine) is Morocco's Rif mountain chain's highest summit, 2,456 m, in Tangier-Tetouan-Al Hoceima near Ketama; limestone peak with endemic Moroccan fir, winter snow, and piste access.
Jebel an Nabi Shu'ayb
Jabal an Nabi Shu'ayb (جَبَل ٱلنَّبِي شُعَيْب), also called Jabal Hadhur, is Yemen's and the Arabian Peninsula's highest mountain at 3,666 m in the Haraz-Sarawat near Sana'a, with 3,311 m prominence and nearest higher terrain in Ethiopia.
Jebel Ash Sham
Jebel Ash Sham (جبل شمس), also Jebel Shams or Jabal Shams, is Oman's highest mountain at about 3,009 m in the western Hajar range, overlooking the roughly 1 km deep Wadi Ghul canyon, with a military-restricted summit and the Balcony Walk trail.
Jebel Irhoud
Jebel Irhoud, Morocco: Middle Stone Age site with the oldest reported Homo sapiens fossils, dated 315 ± 34 ka by thermoluminescence; 22 fossils described in 2017 support a pan-African origin.
Jebel Katarina
Jebel Katarina (Jabal Katarina, Mount Catherine) is Egypt's highest mountain, about 2,629 m, in South Sinai near Jabal Musa. Named for St Catherine of Alexandria, whose body monks found there in the 9th century.
Jebel Lkst
Jebel Lkst, also spelled Jbel Lkest, is a 2,359-meter mountain in the Anti-Atlas of southern Morocco, dominating the Ameln Valley near Tafraoute in the Souss-Massa region.
Jefferson
Mount Jefferson is Oregon's second highest peak at 3,199 m, a glacier-clad andesite-dacite stratovolcano named by Lewis and Clark, dormant at its main vent for about 15,000 years but rated potentially active.