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The
Ucayali's width varies from 400–1,200 metres (1,300–3,900 ft), due to the large number of islands. The current runs from 5–6 kilometres per hour (3.1–3.7 mph), and a channel from 20–50 metres (66–164 ft) wide can always be found with a minimum depth of 1.5 m (4.9 ft).
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There are five difficult passes, due to the accumulation of trees and rafts of timber. Sometimes large rocks which have fallen from the mountains and spread across the riverbed cause whirlpools.
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has organised many costly and ably-conducted expeditions to explore it. One of them (1867) claimed to have reached within 380 km (240 mi) of
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56 km (35 mi) upstream from its junction with the Tambo, to a point 320 km (200 mi) north of
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Ucayali River (confluence with Tambo River to confluence with the Marañón): 1,600.1 km (994.3 mi)
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388:(Period of data: 1990-2006)8,931.2 m/s (315,400 cu ft/s)
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150:(background right) forming the Ucayali River (background left)
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Ziesler, R.; Ardizzone, G.D. (1979). "Amazon River System".
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Apurímac River (total length): 730.7 km (454.0 mi)
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2,238 km (1,391 mi) 1,460 km (910 mi)
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Tambo River (total length): 158.5 km (98.5 mi)
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Food and
Agriculture Organization of the United Nations
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Ene River (total length): 180.6 km (112.2 mi)
378:(Basin size: 260,733 km (100,670 sq mi)
488:. It rises about 110 km (68 mi) north of
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500:and becomes the Amazon at the confluence of the
325:: ~13,800 m/s (490,000 cu ft/s))
16:"Ucayali" redirects here. For other uses, see
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335:3,000 m/s (110,000 cu ft/s)
279:351,549 km (135,734 sq mi)
113:Learn how and when to remove this message
512:is located on the banks of the Ucayali.
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816:: CS1 maint: archived copy as title (
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733:: CS1 maint: archived copy as title (
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772:from the original on 8 November 2014.
547:to the confluence of the Ucayali and
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51:adding citations to reliable sources
751:The Inland waters of Latin America
166:with the Ucayali River highlighted
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835:"Nuevo Repositorio Institucional"
657:The river gives its name to the
484:) is the main headstream of the
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906:Tributaries of the Amazon River
652:Pacaya-Samiria National Reserve
520:The Ucayali, together with the
38:needs additional citations for
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573:The Ucayali was first called
187:Physical characteristics
638:The Ucayali is home to the
367: • location
297: • location
248: • location
212: • location
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532:, is today considered the
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916:Rivers of Ucayali Region
650:, which are abundant in
443: • right
18:Ucayali (disambiguation)
911:Rivers of Loreto Region
481:[ˈri.owkaˈʝali]
411: • left
669:of the Loreto Region.
534:main headwater of the
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877:8.59188°S 74.36646°W
640:Amazon river dolphin
47:improve this article
882:-8.59188; -74.36646
873: /
680:Scinax pyroinguinis
397:Basin features
508:city. The city of
199:confluence of the
146:(from bottom) and
142:Confluence of the
648:Amazonian manatee
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667:Ucayali Province
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490:Lake Titicaca
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131:Ucayali River
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103:February 2015
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58:Find sources:
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36:This article
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921:Upper Amazon
858:
841:. Retrieved
801:. Retrieved
794:the original
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599:Rio de Cuzco
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545:Nevado Mismi
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536:Amazon River
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486:Amazon River
464:
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241:Amazon River
164:Amazon Basin
109:
100:
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45:Please help
40:verification
37:
880: /
644:giant otter
569:Exploration
530:Tambo River
516:Description
473:Río Ucayali
402:Tributaries
162:Map of the
895:Categories
868:74°21′59″W
843:2023-04-06
803:2023-04-06
720:2023-04-06
687:References
646:, and the
625:Navigation
575:San Miguel
436:Cushabatay
276:Basin size
73:newspapers
865:8°35′31″S
526:Ene River
504:close to
492:, in the
358:Discharge
288:Discharge
812:cite web
770:Archived
729:cite web
673:See also
665:and the
591:Apu-Poro
541:Apurímac
528:and the
510:Pucallpa
448:Urubamba
424:Aguaytia
420:Pachitea
372:Pucallpa
172:Location
583:Ucayare
579:Ucayali
577:, then
502:Marañón
469:Spanish
456:Tapiche
323:Marañón
302:Requena
221:Ucayali
217:Atalaya
177:Country
87:scholar
762:
595:Cocama
524:, the
452:Tamaya
432:Pisqui
428:Pacaya
405:
361:
291:
268:Length
258:Loreto
196:Source
89:
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838:(PDF)
797:(PDF)
790:(PDF)
714:(PDF)
707:(PDF)
619:Cuzco
506:Nauta
416:Tambo
236:Mouth
201:Tambo
144:Tambo
94:JSTOR
80:books
818:link
760:ISBN
735:link
663:Peru
607:Lima
603:Peru
597:and
587:Poro
498:Peru
477:IPA:
463:The
376:Peru
306:Peru
262:Peru
225:Peru
203:and
181:Peru
66:news
661:of
543:at
496:of
49:by
897::
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727:{{
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