151 articles
Adycha
Adycha (Адыча), 715 km river in northern Yakutia, Russia; largest right tributary of the Yana, rising in the Chersky Range, snow- and rain-fed, navigable 223 km, with gold placers and changing flow since the 1990s.
Alaknanda River
Alaknanda River, Himalayan headstream of the Ganga in Uttarakhand, India, rising at the Satopanth and Bhagirathi Kharak glaciers; flows ~190–213 km through Chamoli, Rudraprayag and Pauri Garhwal, joins the Bhagirathi at Devprayag, and passes the Panch Prayag confluences.
Alazeya
Alazeya (Алазея), reka Alazeya, a 1,590 km Arctic river in northeastern Yakutia, Russia, draining the Kolyma Lowland between the Indigirka and Kolyma basins into the East Siberian Sea, with about 24,000 lakes and continuous permafrost.
Aldan
Aldan (Алдан), major river in Yakutia, Russia; largest right tributary of the Lena, 2,273 km long, basin 729,000 km², mean discharge 5,110 m³/s, navigable 1,753 km, gold-bearing basin.
Amgun
Amgun (Амгунь) is a 723 km left tributary of the lower Amur in Khabarovsk Krai, Russia, formed by the Suluk and Ayakit rivers, joining the Amur 146 km from its mouth; a rain-fed salmon river navigable 330 km.
Amu Darya (آمودریا)
Amu Darya (آمودریا), the ancient Oxus, is a ~2,500 km Central Asian river flowing from the Pamirs to the Aral Sea, shared by five states and contested by Afghanistan's Qosh Tepa Canal.
Amur (river, China)
The Amur (Heilong Jiang) is a 2,824 km Northeast Asian river formed by the Argun and Shilka confluence, flowing to the Sea of Okhotsk and forming the Russia-China border for 1,880 km, with a basin shared by Russia, China, and Mongolia.
Anadyr
The Anadyr is a river in the Chukotka Autonomous Okrug of northeastern Siberia, Russia, that is the second largest to empty into the Bering Sea after the Yukon.
Angara
The Angara (Ангара́) is a river in Irkutsk Oblast and Krasnoyarsk Krai, Russia, the only outflow of Lake Baikal and the largest tributary of the Yenisei, dammed for hydropower.
Aras
Aras (Araxes) River: 1,072-km transboundary river rising near Erzurum, Turkey, flowing past Mount Ararat and forming the Iran-Azerbaijan-Armenia border before joining the Kura and reaching the Caspian Sea.
Argun
The Argun (Chinese: Ergun) is a 1,620-kilometre river in northeast Asia that forms part of the China–Russia border and, with the Shilka River, heads the Amur.
Balak
Balak: a river and sub-basin in Erbil governorate, Iraqi Kurdistan, 10 km east of Bekhal Waterfall, with five tributaries and Ca-HCO3 water; also villages in Haryana and Syunik, Malaysian streams, and the similar Balkhab river of Afghanistan.
Barito
Barito (Sungai Barito) is a river in Indonesian Borneo about 900 km long that rises in the Schwaner Muller Mountains and flows to the Java Sea at Muara Banjar.
Beas River
Beas River (Sanskrit Vipasa, Greek Hyphasis), Himalayan tributary of the Indus in India rising at Rohtang Pass; site of Alexander the Great's 326 BC army mutiny and home of India's last Indus River dolphins.
Betwa
Betwa (Vetravati), right-bank tributary of the Yamuna in central India, rising in Raisen district, Madhya Pradesh, and joining the Yamuna near Hamirpur, Uttar Pradesh; about 590 km long, dammed at Matatila, Rajghat, Dhukwan, and Parichha, and target of the Ken-Betwa Link Project.
Bhima (landform)
Bhima River (Chandrabhaga near Pandharpur), major left-bank tributary of the Krishna in peninsular India; rises at Bhimashankar, Maharashtra, runs about 861 km through Maharashtra, Karnataka, and Telangana, joining the Krishna near Raichur; basin about 70,614 sq km, roughly 75% in Maharashtra.
Borneo Highlands
Borneo Highlands, FEOW freshwater ecoregion 743, covers montane headwaters of central Borneo in Malaysia and Kalimantan, Indonesia, draining to five seas and holding endemic balitorid loaches.
Brahmaputra River
The Brahmaputra (Yarlung Tsangpo, Siang, Jamuna) is a 2,880 km transboundary river flowing from Tibet through India and Bangladesh, with a 580,000 sq km basin, extreme monsoon floods, heavy sediment load, and no basin-wide water treaty.
Caspian Highlands
The Caspian Highlands, ecoregion 446 in the Freshwater Ecoregions of the World system, is a freshwater region in Iran draining to the Caspian Sea, chiefly the upper Safid River watershed.
Chambal River
The Chambal River is a major tributary of the Yamuna in India, rising in the Vindhya range and flowing through Madhya Pradesh, Rajasthan, and Uttar Pradesh.
Chao Phraya River
Chao Phraya River (แม่น้ำเจ้าพระยา), Thailand's principal river, drains a 158,587 km² basin formed by the Ping and Nan rivers, flows through Bangkok's delta to the Gulf of Thailand, and faces heavy metal, BPA, and flood pressures.
Chara
Chara (Чара) is an 851 km left tributary of the Olekma in Eastern Siberia, and the name of the village Chara, the BAM town Novaya Chara, the Chara Sands dunes, and the gemstone charoite.
Chenab River (چناب)
Chenab River (چناب), Greek Acesines, a major Punjab river of the Indus system formed by the Chandra and Bhaga confluence; a Western River allocated to Pakistan under the 1960 Indus Waters Treaty, now affected by India's 2025 abeyance and Hague arbitration.
Chi
Chi (แม่น้ำชี), river in northeast Thailand, largest tributary of the Mun River, which it joins in Si Sa Ket; 49,476 km² basin, rice-farming floodplain, right-bank Mekong tributary system.
Chindwin
Chindwin River, largest tributary of Myanmar's Ayeyarwady (Irrawaddy), about 900 km long, rising in the Hukawng Valley and joining the Ayeyarwady near Pakokku; basin about 114,000 km2, 15% in India.
Chulym
Chulym (Чулым), Siberian river and largest right tributary of the Ob, 1,799 km long with a 134,000 km² basin, formed by the Bely and Chorny Iyus, snow-fed, navigable 1,173 km, distinct from the smaller Novosibirsk Chulym.
Chuna
The Chuna (Чуна), known as the Uda (Уда) upstream, is a 1,203 km river in southeastern Siberia, Russia, that joins the Biryusa to form the Taseeva.
Coastal Amur
Coastal Amur (FEOW ecoregion 615) is a Russian Far East freshwater ecoregion of temperate coastal rivers around the Amur River estuary, Amurskiy Liman, northwest Sakhalin, and the Shantary Islands, draining to the Sea of Okhotsk, with no endemic fish species.
Coastal Fujian - Zeijang
Coastal Fujian - Zeijang, FEOW freshwater ecoregion 767, Indo-Malay tropical and subtropical coastal rivers; coastal drainages of Fujian and Zhejiang provinces between the Pearl River and Qiantang River, including the Han, Jiulong, Min, and Ou rivers.
Damodar River (দামোদর নদ)
Damodar River (দামোদর নদ), the 'River of Sorrows', rises in Jharkhand's Palamu Hills and flows 540 km to the Hugli near Kolkata; recurrent floods led to the Damodar Valley Corporation, India's first multipurpose river valley project (1948).