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River

Blanda

125 km from source to mouth · Iceland.

IcelandIcelandFlows into Húnaflói4th longest in Iceland

Follow the riverMonth by month

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

In numbers

Length

125km

Average flow

59m³/s

Basin

2,370km²

Drop

635m

from 638 m to 3 m

Country

1

The journey

From source to mouth

125 km of river and 5 stops on the way: 0 towns and cities on its banks, dams, bridges and the tributaries that feed it.

638 m3 m
Sourceat 638 m0 km
Blönduvatn1.0 km²42 km
Blöndulón53 km²54 km
Þrístikla (lanaw sa Islandya, lat 65,24, long -19,75)5.6 km²58 km
Laxárvatn3.1 km²115 km
Húnaflóiat 3 m125 km
0255075100125 km
  1. 0 kmSourceat 638 m
  2. 42 kmBlönduvatn1.0 km²
  3. 54 kmBlöndulón53 km²
  4. 58 kmÞrístikla (lanaw sa Islandya, lat 65,24, long -19,75)5.6 km²
  5. 59 kmGaltaból1.3 km²
  6. 115 kmLaxárvatn3.1 km²
  7. 125 kmHúnaflóiat 3 m

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

River in Iceland

At the mouth it carries 59 m³/s on average: an Olympic pool every 42 seconds. It drops from 638 m to 3 m, 5.1 m per kilometre on average. Its basin covers 2,370 km², about the size of RE. Highest water, with the snowmelt: May; lowest: from January to April. Dams and reservoirs hold back a large share of its water (21% of a year's flow).

Read more on Wikipedia

Where to start

Blanda, month by month

Highest water: May

Lowest water: from January to April. Melting snow makes up much of its water. Best months to visit: from June to August.

18
-3°90 mmJan
18
-3°80 mmFeb
18
-3°82 mmMar
18
0°64 mmApr
190
4°52 mmMay
130
7°52 mmJun
69
8°61 mmJul
44
8°77 mmAug
48
5°78 mmSep
62
2°100 mmOct
37
-1°86 mmNov
23
-3°86 mmDec
Water (estimated flow)Air (average) Rain (mm)Best months

From about 18 m³/s in the lowest month to 190 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

Blanda: the basin in numbers

2,609 km² of land send their water to this river. This is what lives on it.

Heavily regulatedReservoirs can hold 21% of a year's flow: dams shape its seasons.
  • 773people live in the basin
  • 571maverage altitude of the basin
  • 1,060mmof rain a year (basin average)
  • 0.7°Caverage air temperature
  • 15%protected areas
  • 2.8%covered by lakes
  • 7%glaciers
  • 1%permafrost
  • 0.4km³held in reservoirs

What covers the basin

  • 7% Ice

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

Blanda: what you find on the way

  • 1Dams

From OpenStreetMap, within 1.4 km of the river. Not mapped is not the same as not there.

Cross-checked with our atlases

Blanda 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.

  • 5lakes on its wayLakeyas
  • 4beaches at the mouth and on the banksCoastya
  • 1mountain at the sourcePeakyas
  • 1island off the mouthIslandyas

Lakes and reservoirs (5)

Lakes it flows through, by Lakeyas

  1. Blönduvatnkm 391.0km²
  2. Blöndulónkm 49 · 39 m deep53km²
  3. Þrístikla (lanaw sa Islandya, lat 65,24, long -19,75)km 535.6km²
  4. Galtabólkm 541.3km²
  5. Laxárvatnkm 1063.1km²

Lakeyas is coming soonOpen Lakeyas ↗

Beaches (4)

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

  1. Hindisvík18 km away · cove8.9°C
  2. Brimilsvík16 km away · cove8.9°C
  3. Laxárvík7.3 km away · cove8.9°C
  4. Lambhúsavík16 km away · cove8.9°C

Open Coastya ↗

Mountains at the source (1)

Within 15 km of the source, by Peakyas

  1. Hnapphelda15 km away

Open Peakyas ↗

Islands off the mouth (1)

Within 30 km of the mouth, by Islandyas

  1. Hrútey1.3 km away

Islandyas is coming soonOpen Islandyas ↗

From space

The source and the mouth, seen from orbit

Blanda: satellite view of the source
The source14 km across
Blanda: 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.

Photos

Blanda in pictures

Where these numbers come from

Name, length, placesWikidata (Q593129) · 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, Coastya, Peakyas, Islandyas — 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