268 articles
Serra Tulu Tuloi
Serra Tulu Tuloi (Serra Tulu-Tuloi) is an ultra-prominent mountain range in Barcelos, Amazonas, Brazil, in the Southern Guiana Highlands; summit about 2,136-2,140 m, prominence about 1,950-1,967 m, near Tulu Tuloi II and the Serra do Aracá tepui complex.
Serrania Guanay
Serrania Guanay, also written Serranía de Guanay, is a mountain and range in the Guayana Highlands of Venezuela, near the Amazonas and Bolívar state border.
Seward Mountains
Seward Mountains: a mountain group rising to about 1,350 m southeast of the Buttress Nunataks, George VI Sound, Palmer Land, Antarctica; surveyed by the BGLE in 1936 and named for palaeobotanist Sir Albert Charles Seward.
Sierra El Viejo
Sierra El Viejo (Cerro Viejo, Sierra del Viejo) is a limestone mountain range near Caborca in northwestern Sonora, Mexico, 850 m high, with Precambrian rocks, bighorn sheep, and endemic agaves; distinct from a 3,500 m Nuevo León namesake.
Sierra Madre (Philippines)
The Sierra Madre is the longest mountain range in the Philippines, running 540 kilometers along Luzon's eastern coast across 10 provinces, holding about 40 percent of the country's forest cover.
Sierra Madre de Chiapas
Sierra Madre de Chiapas (Chiapas Sierra): 280-km Pacific-coast mountain range in southern Mexico averaging 2,000 m, part of the Maya block near the Cocos-Caribbean-North American triple junction, uplifted mainly in the Miocene, home to El Triunfo and La Sepultura biosphere reserves.
Sierra Madre del Sur (landform)
Sierra Madre del Sur, a mountain range in southern Mexico arcing from Michoacán to Oaxaca along the Pacific coast; about 1,100 km long, a Tertiary magmatic province, and a high-endemism biogeographic province and pine-oak ecoregion.
Sierra Madre Occidental
Sierra Madre Occidental, western Mexico's great silicic volcanic plateau and mountain range (also Sierra Tarahumara), runs over 2,000 km from the US border to the Trans-Mexican Volcanic Belt, formed by Farallon subduction and Gulf of California rifting.
Sierra Madre Oriental
Sierra Madre Oriental: major folded mountain range in eastern Mexico, one of Mexico's 14 biogeographic provinces, over 1,000 km long, a Jurassic-Cretaceous limestone fold-thrust belt deformed during the Laramide orogeny.
Sierra Nevada
Sierra Nevada: major mountain range of eastern California, about 640 km long, a granitic Mesozoic batholith with Mount Whitney (4,421 m); its snowpack supplies about one-third of California's water.
Sierra Nevada (Spain)
Sierra Nevada (Spain), the snowy range of Granada and Almería in Andalusia, is the Iberian Peninsula's highest mountain chain, with Mulhacén at 3,482 m, a 1999 national park, 1986 biosphere reserve, endemic-rich flora, and a major ski resort.
Sikhote-Alin
Sikhote-Alin (Сихотэ-Алинь) is a mountain range running about 1,200 km along the Sea of Japan through Primorsky and Khabarovsk Krais in the Russian Far East.
Simandou
Simandou is a 110-kilometer mountain range in Guinea holding one of the world's largest untapped high-grade iron ore deposits, with the first shipment in December 2025.
Sivalik Hills
Sivalik Hills (Churia/Chure Hills), southernmost and lowest Himalayan range, about 1,700 km long through Pakistan, India, and Nepal, built of up to 6,000 m of Neogene Siwalik Group molasse and uplifted along the active Main Frontal Thrust.
Snowy Mountains
The Snowy Mountains is the highest section of Australia's Great Dividing Range in southern New South Wales, known for containing Mount Kosciuszko, major rivers, and the Snowy Hydro-Electric Scheme.
Southern Alps/Kā Tiritiri o te Moana
The Southern Alps/Kā Tiritiri o te Moana, meaning "mountains of the ocean" in Māori, is the chief mountain chain on New Zealand's South Island, running about 500 kilometers.
Southern Carpathians
The Southern Carpathians (Carpații Meridionali, Transylvanian Alps) are the highest part of the Romanian Carpathians in southern and central Romania, featuring Moldoveanu Peak at 2,544 m.
Sredinny Range
Sredinny Range (Sredinnyi, Middle Range), the metamorphic backbone of Kamchatka, Russia: high-grade gneiss and migmatite, Eocene (52 Ma) arc-continent collision granites, and a nearly extinct, back-arc Holocene volcanic belt.
Sudetes
The Sudetes are a Central European mountain range, about 300 km long, across Czechia, Poland, and Germany; a rejuvenated Variscan orogen whose highest range, the Krkonoše, hosts the world's first transboundary UNESCO biosphere reserve.
Sulaiman Mountains
Sulaiman Mountains (Koh-e-Sulaiman), north-south range in western Pakistan and Zabul, Afghanistan; highest point Takht-e-Sulaiman 3,487 m; fold-thrust belt of the India-Eurasia collision with unique Chilghoza pine forests.
Suntar-Khayata Range
Suntar-Khayata Range (Сунтар-Хаята), a 450 km mountain range in northeastern Siberia dividing Arctic Ocean and Sea of Okhotsk drainages; highest peak Mus-Khaya 2959 m, with about 195 glaciers covering 163 km2, the largest glaciation in Siberia.
Superstition Mountains
The Superstition Mountains are a volcanic range about 60 km east of Phoenix, Arizona, formed of ash-flow tuff erupted roughly 25 to 15 million years ago, home to the 160,115-acre Superstition Wilderness and Weaver's Needle.
Swiss Alps
Swiss Alps: the Swiss portion of the Alpine range covering about 60% of Switzerland, with 48 peaks over 4,000 m, Dufourspitze (4,634 m), the 23 km Aletsch Glacier, and rapid glacier loss from climate change.
Taihang Mountains
Taihang Mountains (太行山), a 500-km fault-block range in northern China forming the boundary between the Loess Plateau and the North China Plain; highest peak Wutai Mountain, about 3,091 m.
Takuan Group
Takuan Group (volcano 255021) is a compound group of three andesitic-dacitic stratovolcanoes in southern Bougainville Island, Papua New Guinea, highest point Mount Takuan at 2,210 m; no confirmed historical eruptions, probable Holocene activity, post-caldera cones on the Laluai caldera rim.
Tannu-Ola mountains
Tannu-Ola mountains (Таңды-Уула, Тагнын нуруу) are an east-west range on the Russia-Mongolia border in Tuva, about 300 km long, highest 3,061 m, dividing the upper Yenisei basin from the Ubsu-Nur closed basin.
Tararua Range
Tararua Range: New Zealand North Island axial range, also called Pukemoumou, running 100 km from Manawatū Gorge to the Remutaka Range; highest peak Mitre 1,571 m; most of it lies in Tararua Forest Park.
Tarbagatai Mountains
Tarbagatai Mountains, range in eastern Kazakhstan and NW Xinjiang on the China border, part of the Central Asian Orogenic Belt north of the Tianshan; highest point Tastau 2,992 m; exhumed in the Late Permian and Early Cretaceous; Tarbagatai National Park since 2018.
Tatra Mountains
Tatra Mountains (Tatry), highest range of the Carpathians on the Poland–Slovakia border, peak Gerlachovský štít 2,655 m; glacial alpine landscape, five climatic zones, transboundary UNESCO biosphere reserve.
Taurus Mountains
The Taurus Mountains (Toros Dağları) are a mountain system in southern Turkey, running about 560 km parallel to the Mediterranean coast and forming Anatolia's southern edge.