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River

Matanikau River

15 km from source to mouth · Solomon Islands.

Solomon IslandsSolomon IslandsFlows into Ironbottom Sound

Follow the riverMonth by month

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

In numbers

Length

15km

Average flow

8.9m³/s

Basin

412km²

Drop

6m

from 6 m to 0 m

Country

1

The journey

From source to mouth

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

50 m0 m
Sourceat 6 m0 km
Honiara84,520 people3 km
Malango15,560 people14 km
Ironbottom Soundat 0 m15 km
051015 km
  1. 0 kmSourceat 6 m
  2. 3 kmHoniara84,520 people
  3. 14 kmMalango15,560 people
  4. 15 kmIronbottom Soundat 0 m

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

River in the Solomon Islands

At the mouth it carries 8.9 m³/s on average: an Olympic pool every 280 seconds. Its basin covers 412 km².

Read more on Wikipedia

Where to start

  • HoniaraLargest city on its banks · 84,520 people
  • Honiara International Airport (HIR)Nearest airport with scheduled flights, 12 km from the city
  • On the water1 ferry piers, marinas, boat rentals and boat ramps along the river (OpenStreetMap)

Plan the trip

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

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Along the river

Matanikau River: what you find on the way

  • 1Boat ramps

From OpenStreetMap, within 1.2 km of the river. Not mapped is not the same as not there.

Cross-checked with our atlases

Matanikau 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.

  • 7beaches at the mouth and on the banksCoastya
  • 4mountains at the sourcePeakyas

Beaches (7)

At the mouth (25 km) and on the banks, by Coastya

  1. Trench’s Beach14 km away29.7°C
  2. Tenaru Beach6.4 km away29.7°C
  3. Rere Beach15 km away29.7°C
  4. Mbokona Bay8.5 km away · cove29.7°C
  5. Kua Bay7.9 km away · cove29.7°C
  6. Kotasi Bay7.2 km away · cove29.7°C
  7. Mbengena Bay23 km away · cove29.7°C

Open Coastya ↗

Mountains at the source (4)

Within 15 km of the source, by Peakyas

  1. Mount Vatunjae13 km away
  2. Mount Mbutohaina12 km away
  3. Mbelapoke Hill13 km away
  4. Mount Austen5.2 km away

Open Peakyas ↗

From space

The source and the mouth, seen from orbit

Matanikau River: satellite view of the source
The source14 km across
Matanikau River: satellite view of the mouth
The mouth10 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.

Where these numbers come from

Name, length, placesWikidata (Q349382) · 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 atlasesCoastya, 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