149:
40:
169:
640:
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).
714:
797:
641:
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.
721:
804:
624:, and as far as the Tambo River, 1,240 km (770 mi) from the confluence of the Ucayali with the Amazon. The "Napo" then succeeded in ascending the
616:
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
446:
462:
442:
872:
828:
745:
916:
780:
620:, and the little steamer "Napo" found its way up the violent currents for 124 km (77 mi) above the junction with the
104:
76:
926:
774:
766:
123:
83:
921:
662:
628:
56 km (35 mi) upstream from its junction with the Tambo, to a point 320 km (200 mi) north of
90:
61:
57:
575:
Ucayali River (confluence with Tambo River to confluence with the Marañón): 1,600.1 km (994.3 mi)
72:
845:
544:
28:
911:
50:
17:
665:, close to Nauta. The southeastern border of the reserve is formed by the lower Ucayali River.
931:
650:
97:
8:
690:
559:
540:
512:
426:
333:
264:
211:
154:
148:
822:
770:
739:
658:
760:
532:
677:
550:, totaling a length of 2,669.9 kilometres (1,659.0 mi) from the source of the
491:
479:
312:
227:
504:
669:
625:
621:
458:
434:
430:
231:
215:
158:
905:
887:
874:
500:
466:
268:
555:
496:
438:
251:
174:
654:
246:
399:(Period of data: 1990-2006)8,931.2 m/s (315,400 cu ft/s)
328:(Period of data: 1990-2006)13,385 m/s (472,700 cu ft/s)
536:
39:
520:
382:
168:
161:(background right) forming the Ucayali River (background left)
629:
516:
759:
Ziesler, R.; Ardizzone, G.D. (1979). "Amazon River System".
566:
Apurímac River (total length): 730.7 km (454.0 mi)
673:
617:
613:
508:
386:
316:
272:
235:
191:
282:
2,238 km (1,391 mi) 1,460 km (910 mi)
572:
Tambo River (total length): 158.5 km (98.5 mi)
767:
Food and
Agriculture Organization of the United Nations
569:
Ene River (total length): 180.6 km (112.2 mi)
389:(Basin size: 260,733 km (100,670 sq mi)
499:. It rises about 110 km (68 mi) north of
64:. Unsourced material may be challenged and removed.
903:
758:
511:and becomes the Amazon at the confluence of the
336:: ~13,800 m/s (490,000 cu ft/s))
27:"Ucayali" redirects here. For other uses, see
330:13,500 m/s (480,000 cu ft/s)
792:
790:
356:28,000 m/s (990,000 cu ft/s)
840:
838:
709:
707:
346:3,000 m/s (110,000 cu ft/s)
290:351,549 km (135,734 sq mi)
124:Learn how and when to remove this message
787:
523:is located on the banks of the Ucayali.
835:
704:
14:
904:
827:: CS1 maint: archived copy as title (
744:: CS1 maint: archived copy as title (
783:from the original on 8 November 2014.
558:to the confluence of the Ucayali and
490:
62:adding citations to reliable sources
33:
644:
24:
762:The Inland waters of Latin America
752:
177:with the Ucayali River highlighted
25:
943:
865:
846:"Nuevo Repositorio Institucional"
668:The river gives its name to the
495:) is the main headstream of the
167:
147:
38:
917:Tributaries of the Amazon River
663:Pacaya-Samiria National Reserve
531:The Ucayali, together with the
49:needs additional citations for
579:
526:
13:
1:
697:
635:
584:The Ucayali was first called
198:Physical characteristics
7:
683:
649:The Ucayali is home to the
378: • location
308: • location
259: • location
223: • location
10:
948:
543:, is today considered the
395: • average
352: • maximum
342: • minimum
324: • average
26:
452:
420:
412:
407:
403:
393:
376:
368:
364:
360:
350:
340:
322:
306:
298:
294:
286:
278:
257:
245:
241:
221:
206:
202:
197:
187:
182:
166:
146:
141:
927:Rivers of Ucayali Region
661:, which are abundant in
454: • right
29:Ucayali (disambiguation)
922:Rivers of Loreto Region
492:[ˈri.owkaˈʝali]
422: • left
680:of the Loreto Region.
545:main headwater of the
483:
888:8.59188°S 74.36646°W
651:Amazon river dolphin
58:improve this article
893:-8.59188; -74.36646
884: /
691:Scinax pyroinguinis
408:Basin features
519:city. The city of
210:confluence of the
157:(from bottom) and
153:Confluence of the
659:Amazonian manatee
472:
471:
134:
133:
126:
108:
16:(Redirected from
939:
899:
898:
896:
895:
894:
889:
885:
882:
881:
880:
877:
859:
858:
856:
855:
850:
842:
833:
832:
826:
818:
816:
815:
809:
803:. Archived from
802:
794:
785:
784:
756:
750:
749:
743:
735:
733:
732:
726:
720:. Archived from
719:
711:
678:Ucayali Province
645:National Reserve
494:
489:
455:
423:
396:
379:
353:
343:
325:
309:
263:confluence with
224:
171:
151:
139:
138:
129:
122:
118:
115:
109:
107:
66:
42:
34:
21:
947:
946:
942:
941:
940:
938:
937:
936:
902:
901:
892:
890:
886:
883:
878:
875:
873:
871:
870:
868:
863:
862:
853:
851:
848:
844:
843:
836:
820:
819:
813:
811:
807:
800:
798:"Archived copy"
796:
795:
788:
777:
757:
753:
737:
736:
730:
728:
724:
717:
715:"Archived copy"
713:
712:
705:
700:
686:
647:
638:
582:
529:
505:Arequipa region
487:
453:
421:
394:
377:
351:
341:
332:(Confluence of
323:
307:
260:
222:
216:Urubamba Rivers
178:
162:
159:Urubamba Rivers
137:
130:
119:
113:
110:
73:"Ucayali River"
67:
65:
55:
43:
32:
23:
22:
15:
12:
11:
5:
945:
935:
934:
929:
924:
919:
914:
912:Rivers of Peru
867:
866:External links
864:
861:
860:
834:
786:
775:
751:
702:
701:
699:
696:
695:
694:
685:
682:
670:Ucayali Region
646:
643:
637:
634:
626:Urubamba River
622:Pachitea River
581:
578:
577:
576:
573:
570:
567:
560:Marañón Rivers
533:Apurímac River
528:
525:
470:
469:
456:
450:
449:
424:
418:
417:
414:
410:
409:
405:
404:
401:
400:
397:
391:
390:
380:
374:
373:
370:
366:
365:
362:
361:
358:
357:
354:
348:
347:
344:
338:
337:
326:
320:
319:
310:
304:
303:
300:
296:
295:
292:
291:
288:
284:
283:
280:
276:
275:
261:
258:
255:
254:
249:
243:
242:
239:
238:
225:
219:
218:
208:
204:
203:
200:
199:
195:
194:
189:
185:
184:
180:
179:
172:
164:
163:
152:
144:
143:
135:
132:
131:
46:
44:
37:
9:
6:
4:
3:
2:
944:
933:
930:
928:
925:
923:
920:
918:
915:
913:
910:
909:
907:
900:
897:
847:
841:
839:
830:
824:
810:on 2021-11-13
806:
799:
793:
791:
782:
778:
776:92-5-000780-9
772:
768:
764:
763:
755:
747:
741:
727:on 2021-11-13
723:
716:
710:
708:
703:
693:
692:
688:
687:
681:
679:
675:
671:
666:
664:
660:
656:
652:
642:
633:
631:
627:
623:
619:
615:
611:
607:
603:
599:
595:
591:
587:
574:
571:
568:
565:
564:
563:
561:
557:
553:
549:
548:
542:
538:
534:
524:
522:
518:
514:
510:
506:
502:
501:Lake Titicaca
498:
493:
485:
481:
477:
476:Ucayali River
468:
464:
460:
457:
451:
448:
444:
440:
436:
432:
428:
425:
419:
415:
411:
406:
402:
398:
392:
388:
384:
381:
375:
371:
367:
363:
359:
355:
349:
345:
339:
335:
331:
327:
321:
318:
314:
311:
305:
301:
297:
293:
289:
285:
281:
277:
274:
270:
266:
265:Marañón River
262:
256:
253:
250:
248:
244:
240:
237:
233:
229:
226:
220:
217:
213:
209:
205:
201:
196:
193:
190:
186:
181:
176:
170:
165:
160:
156:
150:
145:
142:Ucayali River
140:
136:River in Peru
128:
125:
117:
114:February 2015
106:
103:
99:
96:
92:
89:
85:
82:
78:
75: –
74:
70:
69:Find sources:
63:
59:
53:
52:
47:This article
45:
41:
36:
35:
30:
19:
932:Upper Amazon
869:
852:. Retrieved
812:. Retrieved
805:the original
761:
754:
729:. Retrieved
722:the original
689:
667:
648:
639:
610:Rio de Cuzco
609:
605:
601:
597:
593:
589:
585:
583:
556:Nevado Mismi
551:
547:Amazon River
546:
530:
497:Amazon River
475:
473:
329:
252:Amazon River
175:Amazon Basin
120:
111:
101:
94:
87:
80:
68:
56:Please help
51:verification
48:
891: /
655:giant otter
580:Exploration
541:Tambo River
527:Description
484:Río Ucayali
413:Tributaries
173:Map of the
906:Categories
879:74°21′59″W
854:2023-04-06
814:2023-04-06
731:2023-04-06
698:References
657:, and the
636:Navigation
586:San Miguel
447:Cushabatay
287:Basin size
84:newspapers
876:8°35′31″S
537:Ene River
515:close to
503:, in the
369:Discharge
299:Discharge
823:cite web
781:Archived
740:cite web
684:See also
676:and the
602:Apu-Poro
552:Apurímac
539:and the
521:Pucallpa
459:Urubamba
435:Aguaytia
431:Pachitea
383:Pucallpa
183:Location
594:Ucayare
590:Ucayali
588:, then
513:Marañón
480:Spanish
467:Tapiche
334:Marañón
313:Requena
232:Ucayali
228:Atalaya
188:Country
98:scholar
18:Ucayali
773:
606:Cocama
535:, the
463:Tamaya
443:Pisqui
439:Pacaya
416:
372:
302:
279:Length
269:Loreto
207:Source
100:
93:
86:
79:
71:
849:(PDF)
808:(PDF)
801:(PDF)
725:(PDF)
718:(PDF)
630:Cuzco
517:Nauta
427:Tambo
247:Mouth
212:Tambo
155:Tambo
105:JSTOR
91:books
829:link
771:ISBN
746:link
674:Peru
618:Lima
614:Peru
608:and
598:Poro
509:Peru
488:IPA:
474:The
387:Peru
317:Peru
273:Peru
236:Peru
214:and
192:Peru
77:news
672:of
554:at
507:of
60:by
908::
837:^
825:}}
821:{{
789:^
779:.
769:.
765:.
742:}}
738:{{
706:^
653:,
632:.
612:.
604:,
600:,
596:,
592:,
562::
486:,
482::
465:,
461:,
445:,
441:,
437:,
433:,
429:,
385:,
315:,
271:,
267:,
234:,
230:,
857:.
831:)
817:.
748:)
734:.
478:(
127:)
121:(
116:)
112:(
102:·
95:·
88:·
81:·
54:.
31:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
_Rios_Tambo%2BUcayali.jpg)
