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River

Madre de Dios River

1,060 km from source to mouth · Bolivia and Peru.

BoliviaPeruBolivia and PeruFlows into Beni River3rd longest in Bolivia

Follow the riverMonth by month

SourceMouth
The river and every tributary in its basin, drawn from RiverATLAS (CC BY 4.0).

In numbers

Length

1,060km

Average flow

4.9m³/s

Basin

110,000km²

Drop

160m

from 280 m to 120 m

Countries

2

The journey

From source to mouth

1,060 km of river and 18 stops on the way: 2 towns and cities on its banks, dams, bridges and the tributaries that feed it.

280 m120 m
Cordillera Vilcanotaat 280 m0 km
Laguna San Juan0.5 km²161 km
Laguna Caracol0.3 km²199 km
Las Piedras Rivertributary382 km
Puerto Maldonado85,024 people397 km
Ventarrón Lake2.4 km²525 km
Murillo Lake7.8 km²860 km
Mentiroso Lake6.9 km²903 km
Beni Riverat 120 m1,060 km
02505007501,060 km
  1. 0 kmCordillera Vilcanotaat 280 m
  2. 0 kmManú Rivertributary
  3. 0 kmAlto Madre de Dios Rivertributary
  4. 161 kmLaguna San Juan0.5 km²
  5. 180 kmLaguna Pañacocha0.8 km²
  6. 189 kmLaguna Endara0.4 km²
  7. 193 kmLos Amigos Rivertributary
  8. 199 kmLaguna Caracol0.3 km²
  9. 260 kmInambari Rivertributary
  10. 382 kmLas Piedras Rivertributary
  11. 397 kmPuerto Maldonado85,024 people
  12. 397 kmPresident Guillermo Billinghurst Bridge
  13. 402 kmTambopata Rivertributary
  14. 485 kmHeath Rivertributary
  15. 525 kmVentarrón Lake2.4 km²
  16. 773 kmManupare Rivertributary
  17. 860 kmMurillo Lake7.8 km²
  18. 903 kmMentiroso Lake6.9 km²
  19. 1,023 kmRiberalta99,070 people
  20. 1,060 kmBeni Riverat 120 m

Water level along the river (RiverATLAS; the height is exaggerated). Towns: GeoNames and Wikidata; bridges, dams and tributaries: Wikidata.

River in Peru and Bolivia

At the mouth it carries 4.9 m³/s on average: an Olympic pool every 509 seconds. It drops from 280 m to 120 m, 0.2 m per kilometre on average. Its basin covers 110,000 km², about the size of CU. 287,000 people live in it. Highest water: from February to March; lowest: from July to October. No large dam holds it back: it is one of the world's free-flowing rivers.

Read more on Wikipedia

Where to start

  • RiberaltaLargest city on its banks · 99,070 people
  • Capitán Av. Selin Zeitun Lopez Airport (RIB)Nearest airport with scheduled flights, 2 km from the cityCar hire at RBR airport (Rio Branco)Discover Cars · Affiliate link
  • On the water12 ferry piers, marinas, boat rentals and boat ramps along the river (OpenStreetMap)
  • From May to AugustThe best months to visit

Madre de Dios River, month by month

Highest water: from February to March

Lowest water: from July to October. Best months to visit: from May to August.

10,600
26°323 mmJan
12,000
26°292 mmFeb
12,200
26°264 mmMar
10,700
26°175 mmApr
7,900
25°100 mmMay
5,100
24°60 mmJun
3,000
24°54 mmJul
2,000
25°71 mmAug
2,200
26°107 mmSep
3,500
27°178 mmOct
5,500
27°231 mmNov
8,000
26°284 mmDec
Water (estimated flow)Air (average) Rain (mm)Best months

From about 2,000 m³/s in the lowest month to 12,200 m³/s in the highest. An estimate: the monthly flow is modelled from the lowest and highest months of WaterGAP (RiverATLAS, 1971–2000) and the rain and snow along the river (WorldClim). Dams change the real rhythm. The chip is the average air temperature; below it, the month's rain.

Plan the trip

Plan the trip: boat trips, a bed by the river, a car

Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.

The basin

Madre de Dios River: the basin in numbers

125,557 km² of land send their water to this river. This is what lives on it.

Free-flowingDams upstream can hold only 0.0% of a year's flow: the river still keeps its natural rhythm.
  • 287,000people live in the basin
  • 2/km²people per km²
  • 861maverage altitude of the basin
  • 2,359mmof rain a year (basin average)
  • 22.6°Caverage air temperature
  • 52%protected areas
  • 0.1%covered by lakes

What covers the basin

  • 86% Forest
  • 1% Cropland
  • 8% Pasture

RiverATLAS (HydroATLAS v1.0, CC BY 4.0): land cover, people, protected areas, glaciers and dams over the whole basin upstream of the mouth.

Along the river

Madre de Dios River: what you find on the way

  • 10Ferry piersLocal Transportation (Small boat rent), Barca de Puerto Maldonado, Puerto Madre de Dios and 7 more
  • 2Marinas

From OpenStreetMap, within 2.5 km of the river. Not mapped is not the same as not there.

Cross-checked with our atlases

Madre de Dios River in our other atlases

What our sister atlases know about the waterfalls on this river, the lakes it flows through, the beaches at its mouth, the mountains where it rises and the islands off its mouth.

  • 7lakes on its wayLakeyas

Lakes and reservoirs (7)

Lakes it flows through, by Lakeyas

  1. Laguna San Juankm 1410.5km²
  2. Laguna Pañacochakm 1570.8km²
  3. Laguna Endarakm 1650.4km²
  4. Laguna Caracolkm 1740.3km²
  5. Ventarrón Lakekm 4582.4km²
  6. Murillo Lakekm 7527.8km²
  7. Mentiroso Lakekm 7896.9km²

Lakeyas is coming soonOpen Lakeyas ↗

From space

The source and the mouth, seen from orbit

Madre de Dios River: satellite view of the source
The source14 km across
Madre de Dios River: satellite view of the mouth
The mouth48 km across

Sentinel-2 cloudless 2016 by EOX IT Services GmbH (contains modified Copernicus Sentinel data 2016), CC BY 4.0. The glowing line is the river as drawn by RiverATLAS.

Photos

Madre de Dios River in pictures

Rio Madre De Dios Bolivia (109758145)
Henry Vagrant · CC BY-SA 3.0
Gold Suction Dredge - Madre de Dios River (8183089237)
Forest Service Alaska Region, USDA · Public domain
Los Amigos, Madre de Dios, Peru
Roosevelt Garcia at English Wikipedia · Public domain
Madre de Dios DSC00652
Kuruman · CC BY 2.0

Where these numbers come from

Name, length, placesWikidata (Q849693) · CC0
Course, profile, basinRiverATLAS v1.0 (HydroATLAS, Linke et al. 2019) · CC BY 4.0 — followed from the source to the mouth given by Wikidata
FlowWaterGAP (RiverATLAS), 1971–2000 · CC BY 4.0
Climate along the riverWorldClim (RiverATLAS), 1970–2000 · CC BY 4.0
Towns, bridges, damsWikidata · CC0; GeoNames · CC BY 4.0
Along the river© OpenStreetMap contributors · ODbL
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Our other atlasesLakeyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; HydroLAKES · CC BY 4.0; NOAA OISST

Every source and licence is on the data sources page.

The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers or canyons?

Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit
lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit
mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit
waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Coming soonVisit
islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.Coming soonVisit
riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.You are here
canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Coming soonVisit