Rivers, streams, and drainage features

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.

Beaver (river)

Beaver River names several North American rivers: a 661 km Churchill River tributary in Alberta-Saskatchewan, a Liard headwater in BC-Yukon, the North Canadian River in Oklahoma, a Utah stream, and an Ontario Lake Simcoe subwatershed.

Beni

Beni (Río Beni), river in northern Bolivia rising in the Andes near La Paz; joins the Mamoré to form the Madeira. About 1,500–1,600 km long, 6,200 m³/s mean discharge; also the Beni Department (capital Trinidad, created 1842).

Benue

Benue River, major West African river rising in Cameroon, flowing southwest to join the Niger at Lokoja, Nigeria; namesake of Benue State, the 'Food Basket of the Nation'; supports fishing, irrigation, and transport but suffers flooding from Cameroon's Lagdo dam.

Berge

Berge: French feminine noun for the sloping bank of a river, stream, or canal, above normal water level; English equivalents bank, river bank, steep bank. Covers etymology, geomorphology, ecology, and GEMET terminology.

Bermejo

Bermejo River (Río Bermejo), Andes-rising Argentina-Bolivia tributary of the Paraguay River in the La Plata basin; ~1,300-1,600 km long, 123,162 km² basin, and one of the world's most sediment-laden rivers.

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.

Bight Drainages

Bight Drainages is a West African freshwater ecoregion of coastal rivers draining into the Gulf of Guinea, spanning Ghana, Togo, Benin, and Nigeria, with about 246 recorded fish species.

Black Volta

The Black Volta, or Mouhoun, is a permanent West African river rising in Burkina Faso, flowing about 1,350 km into Lake Volta in Ghana; its basin spans four countries.

Black Warrior River

The Black Warrior River is a 178-mile river in west-central Alabama, the Tombigbee's primary tributary, formed by the Sipsey, Mulberry, and Locust Forks; its 6,276-square-mile watershed is Alabama's largest entirely in-state river system.

Blue Nile

Blue Nile (Abay): major Nile tributary rising at Lake Tana, Ethiopia, joining the White Nile at Khartoum; supplies about 57% of Nile flow at the Sudan-Egypt border and hosts the Grand Ethiopian Renaissance Dam.

Bonaerensean Drainages

Bonaerensean Drainages, FEOW freshwater ecoregion 347 in Buenos Aires Province, Argentina: temperate coastal rivers (Salado del Sur, Sauce Grande) plus 339 coastal lagoons, bounded by the Colorado basin divide.

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.

Bosna (river)

The Bosna, also known as River Bosna and historically Bathinus, is a river in Bosnia and Herzegovina and the namesake of the country, draining its largest river basin and flowing north into the Sava.

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.

Brandywine Creek (Christina River tributary)

Brandywine Creek, a Pennsylvania-Delaware stream and the largest subbasin (327 sq mi) of the Christina River Basin, supplies 100 million gallons of drinking water daily to 60% of Delaware residents and hosts the 40-mile Brandywine Creek Greenway.

Brazos River

The Brazos River (Los Brazos de Dios) is Texas's third-longest river, about 1,050 miles from eastern New Mexico to the Gulf near Freeport, draining the state's largest basin, about 42,000 square miles, with 6,074,000 acre-feet average annual flow, managed by the 1929 Brazos River Authority.

Brisbane River

The Brisbane River (Maiwar) is a 309 km river in southeast Queensland rising near Kingaroy, flowing through Wivenhoe Dam to Moreton Bay at Brisbane, with major floods in 1841, 1893, 1974, and 2011.

Burdekin

Burdekin: river and catchment region in north Queensland, Australia, drained by the Burdekin River. Key facts: 133,600 km2 catchment, Burdekin Falls Dam (1987), largest source of suspended sediment to the Great Barrier Reef.

Caloosahatchee River

The Caloosahatchee River (C-43 canal) is a eutrophic southwest Florida waterway flowing from Lake Okeechobee to the Gulf of Mexico, dredged from 1881 and channelized in the 1920s, plagued by cyanobacterial harmful algal blooms and managed through the C-43 West Basin Storage Reservoir.

Canal bend

Canal bend (GeoNames code CNLB): a conspicuously curved or bent section of a canal, a gazetteer hydrographic feature; in engineering called a canal curve, designed with minimum radii to limit inner-bend silting and outer-bank scour.

Canal do Norte

Canal do Norte (North Channel) is the northern approach channel of the Amazon River estuary in Amapá, Brazil, leading 75 miles to Macapá; also the name of channels at Maputo, Mozambique, and Rio Grande do Sul.

Canalized stream

Canalized (channelized) stream: a stream engineered by straightening, widening, deepening, or relocating its channel for flood control, drainage, or navigation; over 200,000 miles of US waterways were modified by 1970, with reduced habitat and faster flow.

Caniapiscau

Caniapiscau names a ~400 km river in northern Quebec flowing to Ungava Bay via the Koksoak, and the large reservoir (impounded 1981) that diverts 40% of its flow to Hydro-Québec's La Grande complex.

Caño Cristales

Caño Cristales, the "River of Five Colors" or "liquid rainbow," is a river in La Macarena, Meta, Colombia, within Sierra de la Macarena National Park; the endemic aquatic plant Macarenia clavigera turns its bed red, yellow, green, blue, and black each mid-year season.

Cantabric Coast - Languedoc

Cantabric Coast - Languedoc (FEOW ecoregion 403) is a temperate coastal rivers freshwater ecoregion from Galicia to the French Mediterranean coast, spanning the Garonne-Adour-Dordogne and lower Rhône drainages, with about a dozen endemic fish and the Camargue, Western Europe's largest delta.