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This is a list of rivers that are at least partially in Peru. Lengths are according to INEI.^[1]

Longest rivers

	River	Length (km)	Length (miles)	Outflow
1.	Ucayali	1,771	1100	Amazon
2.	Marañón	1,414	879	Amazon
3.	Putumayo	1,380	858	Amazon
4.	Yavarí	1,184	736	Amazon
5.	Huallaga	1,138	707	Marañón
6.	Urubamba	862	536	Ucayali
7.	Mantaro	724	450	Apurímac
8.	Amazon	713	443	Atlantic Ocean
9.	Apurímac	690	429	Ucayali
10.	Napo	667	414	Amazon
11.	Madre de Dios	655	407	Amazon

By Drainage Basin

This list is arranged by where the river drains. Tributaries are indented under each larger stream's name. Rivers longer than 400 miles are in bold.

Atlantic Ocean

Amazon River
- Madeira River (Brazil)
  - Madre de Dios River
    - Orthon River (Bolivia)
      - Tahuamanu River
        Muymano River
      - Mamuripi River
        Manuripe River
    - Heath River
    - Tambopata River
    - Río de Las Piedras or Tacuatimanu
      - Pariamanu River
    - Inambari River
    - Manú River
- Purus River
  - Acre River
  - Iaco River or Yaco
  - Chandless River
  - Curanja River
  - Alto Purús River
- Juruá River or Yurua
  - Alto Yurua
- Putumayo River
  - Yaguas River
  - Algodón River
  - Campuya River
  - San Miguel River
- Yavarí River
  - Yavarí Mirim River
  - Gálvez River
- Atacuarí River
- Pichana River
- Apayacu River
- Napo River
  - Mazán River
  - Tamboyacu River
  - Curaray River
  - Aguarico River
- Nanay River
  - Pintoyacu River
    - Chambira River
- Marañón River
  - Tigre River
    - Corrientes River
    - Tangarana River
  - Samiria River
  - Chambira River
  - Urituyacu River
  - Huallaga River
    - Paranapura River
    - Shanusi River
    - Chipurana River
    - Mayo River
    - Biabo River or Biavo
    - Sisa River
    - Huallabamba River
      - Abiseo River
    - Mishollo River
    - Chontayac River
    - Tulumayo River
    - Monzón River
    - Higueras RIver
  - Nucuray River
  - Pastaza River
    - Huasaga River
  - Morona River
  - Santiago River
  - Nieva River
  - Cenepa River
    - Comaina River
  - Chiriaco River or Imaza
  - Chinchipe River
  - Utcubamba River
    - Quebrada Magunchal
    - Quebrada Seca
  - Chamaya River
    - Huayllabamba River
    - Chotano River
    - Quebrada San Antonio
  - Llaucano River
  - Crisnejas River or Crisnegas
    - Cajamarca River
    - Condebamba River
  - Chusgon River
  - San Miguel River
  - Puccha River
- Ucayali River
  - Tapiche River
  - Guanache River
  - Cushabatay River
  - Pisqui River
  - Aguaytía River
  - Tamaya River
  - Pachitea River
    - Pichis River
    - Palcazu River
      - Pozuzo River
        Huancabamba River or Huayabamba
  - Sheshea River or Chesheya or Chessea
  - Cohengu River
  - Urubamba River
    - Inuya River
    - Mishagua River
    - Camisea River
    - Yavero River or Paucartambo
    - Ticumpinia River
    - Cumpirusiato River
    - Cushireni River
    - Vilcanota River
  - Tambo River
    - Perené River
      - Pangoa River
        Mazamari River
        
        Satipo River
      - Paucartambo River
      - Chanchamayo River or Chanchama
        Tulumayo River
    - Ene River
      - Mantaro River
        Huarpa River
        Yucay River or Pongor
        
        Ichu River or Huancavelica
        
        Occoro River
        
        Vilca River
        
        Cunas River
      - Apurímac River
        Pampas River
        
        Pachachaca River
        
        Santo Tomás River
        
        Velille River

Altiplano

Desaguadero River
- Mauri River
- Lake Titicaca
  - Ilave River
    - Huenque River
  - Coata River
  - Ramis River
    - Azángaro River
      - Carabaya River
    - Ayaviri River
  - Huancané River
  - Suches River

Pacific Ocean

Zarumilla River
Tumbes River
Chira River
Piura River
Cascajal River
Olmos River
Motupe River or La Leche
Chancay River (Lambayeque)
Zaña River
Chamán River
Jequetepeque River
Chicama River
Moche River
Virú River
Chao River
Santa River
Lacramarca River
Nepeña River
Casma River
- Sechín River
- Grande River
Culebras River
Huarmey River
Fortaleza River
Pativilca River
Supe River
Huaura River
Chancay River (Huaral)
Chillón River
Rímac River
Lurín River
Mala River
Omas River
Cañete River
Topara River
San Juan River
Pisco River
Ica River
Grande River or Nazca
Acarí River
Yauca River
Indio Muerto or Chala
Chaparra
Atico
Caravelí River
Ocoña River
Camaná River
- Colca River
Vitor River
- Sihuas River
- Quilca River or Chili
Tambo River
- Corlaque River
Osmore River or Moquegua or Ilo
Locumba River
Sama River
Caplina River

List by letter

Acre River
Aguarico River
Amazon River
Apurímac River
Camaná River
Caplina River
Cañete River
Chamán River
Chancay River (Lambayeque)
Chancay River (Huaral)
Chao River
Casma River
Cenepa River
Chambira River
Chillón River
Chinchipe River
Chira River
Colca River
Comaina River
Cunas River
Desaguadero River
Ene River
Heath River
Huallaga River
Huancabamba River
Huarmey River
Javary River
Jurua River
Ica River
Ilo River
Jequetepeque River
Madre de Dios River
Mala River
Mantaro River
Manú River
Marañón River
Mayo River
Moche River
Moquegua River
Motupe River
Napo River
Nieva River
Osmore River
Palcazu River
Perené River
Pisco River
Piura River
Pozuzo River
Putumayo River
Purus River
Quebrada Magunchal
Quebrada Seca
Quilca River
Rímac River
Pachitea River
Perené River
San Antonio River
Santa River
Tambo River
Tambopata River
Tigre River
Tumbes River
Ucayali River
Urubamba River
Utcubamba River
Virú River
Yavarí River
Zarumilla River

References

↑ Instituto Nacional de Estadística e Informática, Perú: Compendio Estadístico 2005, p. 21.

Rand McNally, The New International Atlas, 1993.
GEOnet Names Server Archived 2020-04-10 at the Wayback Machine

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