All articles starting with R
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Rio Lobo
Rio Lobo (1970) is Howard Hawks's final Western, starring John Wayne as Union Col. Cord McNally hunting Civil War traitors in a corrupt Texas town, the third variation on Rio Bravo after El Dorado, with Jorge Rivero and Jennifer O'Neill.
Río Loco (Toulouse, Latin music)
Rio Loco is an annual world music festival held since 1995 in Toulouse, France, on the Prairie des Filtres, drawing over 100,000 visitors in 2026.
Río Matos
Río Matos (Ramsar Site 2093) is a 1,729,788-hectare wetland of international importance in Beni department, Bolivia, designated 2 February 2013; flooded Amazonian savanna and forest with 24 threatened vertebrate species and 394 fish species.
Río Muni
Río Muni is the mainland region of Equatorial Guinea, between Cameroon and Gabon, covering 26,017 km² and about 80 percent of the population, named after the Muni estuary rather than any river.
Rio Nakata (中田 璃士)
Rio Nakata (中田 璃士), born 2008 in Cardiff, Wales, is a Japanese men's figure skater, two-time World Junior champion (2025, 2026), 2023 Junior GP Final winner, now debuting at senior level with Seibu Group.
Rio Negro (Brazil)
Rio Negro (Brazil): the world's largest blackwater river, a 2,250 km Amazon tributary joining the Amazon at Manaus; acidic nutrient-poor tannin-dark water, ~28,000 m3/s discharge, over 90 endemic fish species, record 2023 drought low.
Río Negro (Paraguay)
Río Negro (Paraguay): river in the Paraguayan Pantanal, Alto Paraguay, whose 370,000-ha Ramsar site no. 729 (designated 1995) and Río Negro National Park protect a Pantanal-Chaco-Cerrado ecotone with giant otters and jaguars.
Rio Ngumoha
Rio Ngumoha (born 2008), English winger for Liverpool FC and England. Youngest goalscorer in Liverpool history (16 years 361 days, Newcastle winner, 2025); joined from Chelsea's academy in 2024; England senior debut June 2026.
Rio Noro
Rio Noro (野呂 里桜), Japanese women's ice hockey forward, born 2004 in Kushiro, Hokkaido; twin sister of Riri Noro. Won girls' gold at Lausanne 2020 Youth Olympics with the game-winning goal, played for Japan at Milano Cortina 2026 (9th place), and won gold at Harbin 2025 Asian Winter Games.
Río Plátano Biosphere Reserve
Río Plátano Biosphere Reserve, in the Mosquitia region of northeastern Honduras, is the country's largest protected area, a UNESCO biosphere reserve since 1980 and World Heritage Site since 1982.
Rio Pongo
Rio Pongo: river and estuarine Ramsar Site no. 574 in Boké/Boffa, western Guinea, designated 18 November 1992, 600,571 ha of pristine mangrove and mudflats, home to waterbirds and the African manatee.
Rio Protocol
The Rio Protocol is a 1942 treaty signed by Peru and Ecuador in Rio de Janeiro that defined their land border after the Ecuadorian–Peruvian War of 1941.
Rio Reiser
Rio Reiser, born Ralph Möbius in 1950, was a German rock singer and songwriter who fronted Ton Steine Scherben before a solo career with "König von Deutschland".
Rio Romeo
Rio Romeo is an American piano-based alt-pop singer-songwriter and butch non-binary lesbian artist from Los Angeles, known for TikTok-viral singles "Butch 4 Butch" and "Nothing's New," the 2022 EP Good God!, and the 2025 debut album Good Grief!.
Río Sabinas
Río Sabinas (Ramsar site 1769) is a perennial river in northeastern Coahuila, Mexico, rising in the Sierra de Santa Rosa and joining the Río Salado at Don Martín dam; 603,123 ha, sabino cypress forests, mining and wastewater pressures.
Rio Salado
Rio Salado (Spanish, "Salt River") names several rivers: a Rio Grande tributary in northeastern Mexico (FEOW ecoregion 137), a Santa Fe Province river in Argentina, a New Mexico Rio Grande tributary, Arizona's Salt River, and a Chilean Atacama priority site.
Rio San Juan (Mexico)
Rio San Juan (Río San Juan), northeastern Mexican tributary of the Rio Grande rising in the Sierra Madre Oriental; 34,000 km² watershed, El Cuchillo and Marte R. Gómez dams, FEOW ecoregion 138, Endangered status, Monterrey water transfers.
Río San Juan Biosphere Reserve
Río San Juan Biosphere Reserve, a UNESCO MAB reserve in southeastern Nicaragua designated in 2003, covering 1,834,107 ha across seven protected areas, with tropical humid forests, wetlands, freshwater sharks, and Ramas and Krioles communities.
Rio Santiago
Río Santiago (Río Grande de Santiago), western Mexico river draining Lake Chapala 563 km to the Pacific past Guadalajara; among Mexico's most polluted, with four reaches and an active restoration strategy.
Rio Tinto (corporation)
Rio Tinto, also known as Rio Tinto Zinc, is an Anglo-Australian mining company, dual-listed in London and Australia, whose earnings are dominated by Pilbara iron ore.
Rio Tuira
Rio Tuira (Río Tuira), a 127-km river in Darién, Panama, rising in the Sierranía del Darién and flowing 3,017 km² basin to the Golfo de San Miguel; main transport artery, 82.1 m³/s mean flow, fourteen endemic fishes in its ecoregion.
Rio Urucu Oil and Gas Field
Rio Urucu is an onshore oil and natural gas field in the Solimões Basin of the Brazilian Amazon, discovered by Petrobras in 1986 in Coari, Amazonas.
Rio Verde, Goiás
Rio Verde, Goiás: municipality in southwestern Goiás, Brazil, settled around 1840 by José Rodrigues de Mendonça; Goiás's largest grain producer, Brazil's second-largest corn producer, about 245,000 inhabitants, 2023 GDP R$22.3 billion.
Río Yata
Río Yata (Ramsar Site 2094) is a 2,813,229-hectare wetland of international importance in Beni, Bolivia, designated 2 February 2013 along the 1,030 km Yata River, a Mamoré tributary, with 394 fish species and Bolivian river dolphin.
Rio–Antirrio Bridge
The Rio–Antirrio Bridge (Γέφυρα Ρίου-Αντιρρίου), officially the Charilaos Trikoupis Bridge, is a cable-stayed road bridge in Greece linking Rio on the Peloponnese with Antirrio, inaugurated in 2004.
Rio–Antirrio Bridge (Γέφυρα Ρίου-Αντιρρίου)
The Rio–Antirrio Bridge (Γέφυρα Ρίου-Αντιρρίου), officially the Charilaos Trikoupis Bridge, is a cable-stayed bridge near Patras, Greece, opened in 2004 to link the Peloponnese with the mainland.
Rio–Niterói Bridge
The Rio–Niterói Bridge (Ponte Rio–Niterói) is a box girder bridge crossing Guanabara Bay, connecting Rio de Janeiro and Niterói. Inaugurated in 1974, it carries the BR-101 highway.
Rio2 Limited
Rio2 Limited is a Canadian mining company headquartered in Vancouver that operates the Fenix Gold Mine in Chile and the Condestable Copper Mine in Peru.
Riobamba
Riobamba (San Pedro de Riobamba) is the capital of Chimborazo province, Ecuador, founded 1534 by Diego de Almagro as the first Spanish city in Ecuador, destroyed by the 1797 earthquake, and rebuilt from 1799 at the Llanura de Tapi as Ecuador's first planned city.
Riociguat
Riociguat (Adempas, BAY 63-2521) is Bayer's oral first-in-class soluble guanylate cyclase stimulator, FDA-approved 2013 for pulmonary arterial hypertension and as the first drug therapy for inoperable or persistent/recurrent CTEPH.