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River

Agusan River

349 km from source to mouth · Philippines.

PhilippinesPhilippinesFlows into Butuan Bay3rd longest in Philippines

Follow the riverMonth by month

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

In numbers

Length

349km

Average flow

570m³/s

Basin

10,921km²

Drop

625m

from 629 m to 4 m

Country

1

The journey

From source to mouth

349 km of river and 19 stops on the way: 16 towns and cities on its banks, dams, bridges and the tributaries that feed it.

629 m4 m
Sourceat 629 m0 km
Compostela42,563 people66 km
Monkayo96,405 people90 km
Pasian4,291 people111 km
Veruela18,114 people146 km
Lake Lumao5.5 km²225 km
Lake Himbang0.3 km²226 km
Esperanza6,193 people279 km
Tungao8,910 people304 km
Butuan Bayat 4 m349 km
0100200300349 km
  1. 0 kmSourceat 629 m
  2. 57 kmGabi3,939 people
  3. 66 kmCompostela42,563 people
  4. 76 kmBabag3,215 people
  5. 90 kmMonkayo96,405 people
  6. 98 kmBaylo3,552 people
  7. 111 kmPasian4,291 people
  8. 126 kmSanta Josefa4,164 people
  9. 146 kmVeruela18,114 people
  10. 224 kmTalacogon15,581 people
  11. 225 kmLake Lumao5.5 km²
  12. 226 kmLake Himbang0.3 km²
  13. 232 kmSan Luis7,109 people
  14. 256 kmGuadalupe3,381 people
  15. 279 kmEsperanza6,193 people
  16. 304 kmTungao8,910 people
  17. 331 kmMacapagal Bridge
  18. 336 kmButuan309,709 people
  19. 346 kmMagallanes6,636 people
  20. 346 kmLombocan4,521 people
  21. 349 kmButuan Bayat 4 m

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

River located in the eastern part of Mindanao island in the Philippines

At the mouth it carries 573 m³/s on average: an Olympic pool every 4.4 seconds. It drops from 629 m to 4 m, 1.8 m per kilometre on average. Its basin covers 10,921 km², about the size of XK. 1.3 million people live in it. Highest water: from January to March. No large dam holds it back: it is one of the world's free-flowing rivers.

Read more on Wikipedia

Where to start

Agusan River, month by month

Highest water: from January to March

Best months to visit: from November to March.

1,100
25°443 mmJan
1,100
26°316 mmFeb
970
26°281 mmMar
650
27°214 mmApr
510
28°216 mmMay
410
27°204 mmJun
370
27°187 mmJul
350
27°195 mmAug
370
27°209 mmSep
410
27°221 mmOct
470
26°232 mmNov
730
26°363 mmDec
Water (estimated flow)Air (average) Rain (mm)Best months

From about 350 m³/s in the lowest month to 1,100 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

Agusan River: the basin in numbers

11,790 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.
  • 1.3millionpeople live in the basin
  • 114/km²people per km²
  • 284maverage altitude of the basin
  • 3,089mmof rain a year (basin average)
  • 25.3°Caverage air temperature
  • 6%protected areas
  • 0.3%covered by lakes

What covers the basin

  • 35% Forest
  • 30% Cropland
  • 4% Towns and cities

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

Agusan River: what you find on the way

  • 1DamsAngas Dam
  • 2Weirs
  • 11Ferry piersButuan, Lumbocan, Magallanes and 8 more

From OpenStreetMap, within 1.8 km of the river. Not mapped is not the same as not there.

Cross-checked with our atlases

Agusan 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.

  • 2lakes on its wayLakeyas
  • 1mountain at the sourcePeakyas

Lakes and reservoirs (2)

Lakes it flows through, by Lakeyas

  1. Lake Lumaokm 1685.5km²
  2. Lake Himbangkm 1690.3km²

Lakeyas is coming soonOpen Lakeyas ↗

Mountains at the source (1)

Within 15 km of the source, by Peakyas

  1. Leonard Kniaseff14 km away1,080m

Open Peakyas ↗

From space

The source and the mouth, seen from orbit

Agusan River: satellite view of the source
The source14 km across
Agusan River: satellite view of the mouth
The mouth15 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

Agusan River in pictures

Mighty Agusan
Herbert Kikoy · CC BY-SA 4.0
Agusan River Chronicles
Herbertkikoy · CC BY-SA 4.0
AGUSAN RIVER REHABILITATION PROJECT
Lucky Ambago Purok Otso · CC0

Tributaries

Where it flows, and what flows into it

Tributaries (1)

Also: Wawa River

Where these numbers come from

Name, length, placesWikidata (Q398774) · CC0
Course, profile, basinRiverATLAS v1.0 (HydroATLAS, Linke et al. 2019) · CC BY 4.0 — followed along the river network from the point 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, Peakyas — 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