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River

Nidelva

30 km from source to mouth · Norway.

NorwayNorwayFlows into Trondheimsfjord

Follow the riverMonth by month

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

In numbers

Length

30km

Average flow

84m³/s

Basin

3,118km²

Drop

134m

from 140 m to 6 m

Country

1

The journey

From source to mouth

30 km of river and 31 stops on the way: 1 towns and cities on its banks, dams, bridges and the tributaries that feed it.

140 m6 m
Selbusjøenat 140 m0 km
Selbusjøen58 km²5 km
Trongfossen9 km
Hyttfossen10 km
Tanemsbrua16 km
Fjæremsfossen17 km
Leirfossan23 km
Nedre Leirfossen24 km
Trondheimsfjordat 6 m30 km
0102030 km
  1. 0 kmSelbusjøenat 140 m
  2. 0 kmGrytfossen
  3. 5 kmSelbusjøen58 km²
  4. 9 kmTrongfossen
  5. 9 kmTrongfossbrua
  6. 10 kmHyttfossen
  7. 11 kmSpringfossbrua
  8. 12 kmSvean bru
  9. 16 kmTanemsbrua
  10. 17 kmFjæremsfossen
  11. 20 kmTillerbrua
  12. 23 kmLeirfossen,øvre
  13. 23 kmØvre Leirfoss
  14. 23 kmLeirfossan
  15. 24 kmNedre Leirfoss
  16. 24 kmNedre Leirfossen
  17. 26 kmKroppanbrua East
  18. 26 kmKroppanbrua West
  19. 26 kmSluppen Bridge
  20. 26 kmNydal bridge
  21. 28 kmStavne bridge
  22. 28 kmCeciliebrua
  23. 29 kmElgeseter Bridge
  24. 29 kmOld Town Bridge
  25. 29 kmGangbrua
  26. 29 kmBakke bridge
  27. 30 kmNidareid bru
  28. 30 kmVerftsbrua
  29. 30 kmNidelv road bridge
  30. 30 kmNidelv railway bridge
  31. 30 kmPirbrua
  32. 30 kmTrondheim198,777 people
  33. 30 kmTrondheimsfjordat 6 m

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

River in Trøndelag, Norway

At the mouth it carries 84 m³/s on average: an Olympic pool every 30 seconds. It drops from 140 m to 6 m, 4.5 m per kilometre on average. Its basin covers 3,118 km², about the size of LU. 55,000 people live in it. Highest water, with the snowmelt: April; lowest: from December to March. Dams and reservoirs hold back a large share of its water (30% of a year's flow).

Read more on Wikipedia

Where to start

  • TrondheimLargest city on its banks · 198,777 people
  • Trondheim Airport, Værnes (TRD)Nearest airport with scheduled flights, 26 km from the cityCar hire at TRD airport (Trondheim)Discover Cars · Affiliate link
  • On the water7 ferry piers, marinas, boat rentals and boat ramps along the river (OpenStreetMap)
  • From June to AugustThe best months to visit

Nidelva, month by month

Highest water: April

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

35
-4°69 mmJan
29
-4°56 mmFeb
29
-1°56 mmMar
200
3°49 mmApr
130
8°46 mmMay
82
11°68 mmJun
63
13°79 mmJul
66
13°75 mmAug
87
9°102 mmSep
100
5°97 mmOct
97
0°73 mmNov
56
-2°84 mmDec
Water (estimated flow)Air (average) Rain (mm)Best months

From about 29 m³/s in the lowest month to 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

Nidelva: the basin in numbers

3,083 km² of land send their water to this river. This is what lives on it.

Heavily regulatedReservoirs can hold 30% of a year's flow: dams shape its seasons.
  • 55,000people live in the basin
  • 18/km²people per km²
  • 650maverage altitude of the basin
  • 781mmof rain a year (basin average)
  • 0.9°Caverage air temperature
  • 18%protected areas
  • 6.5%covered by lakes
  • 1%permafrost
  • 0.8km³held in reservoirs

What covers the basin

  • 52% Forest

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

Nidelva: what you find on the way

  • 8DamsKyvatnet, Reservedammen and 6 more
  • 4Weirs
  • 6WaterfallsTrangfossen, Nordsetfossen and 4 more
  • 1Boat ramps
  • 4Ferry piersRavnkloa, Trondheim hurtigbåtterminal, Trondheim and 1 more
  • 2MarinasØya, Skansen Marina
  • 1River beachesBadetrappen

From OpenStreetMap, within 1.5 km of the river. Not mapped is not the same as not there.

Cross-checked with our atlases

Nidelva 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.

  • 7waterfalls on the riverCascadyas
  • 1lake on its wayLakeyas
  • 377mountains at the sourcePeakyas
  • 3islands off the mouthIslandyas

Waterfalls (7)

On the river, by Cascadyas

  1. Grytfossenkm 0
  2. Trongfossenkm 10
  3. Hyttfossenkm 10
  4. Fjæremsfossenkm 17
  5. Leirfossen,øvrekm 23
  6. Leirfossankm 24
  7. Nedre Leirfossenkm 24

Cascadyas is coming soonOpen Cascadyas ↗

Lakes and reservoirs (1)

Lakes it flows through, by Lakeyas

  1. Selbusjøenkm 558km²

Lakeyas is coming soonOpen Lakeyas ↗

Mountains at the source (377)

Within 15 km of the source, by Peakyas

  1. Vassfjellet8.6 km away · prominence 510 m710m
  2. Kråkfjellet12 km away · prominence 231 m817m
  3. Vassfjellvarden8.6 km away640m
  4. Frøkenvarden8.7 km away600m
  5. Sandafjellet7.3 km away
  6. Kastbrekkhaugan14 km away
  7. Komferhaugan7.6 km away
  8. Finnsvean6.1 km away

369 more on PeakyasOpen Peakyas ↗

Islands off the mouth (3)

Within 30 km of the mouth, by Islandyas

  1. Munkholmen2.3 km away0.0km²
  2. Tautra20 km away1.5km²
  3. Brattøra1.9 km away0.5km²

Islandyas is coming soonOpen Islandyas ↗

From space

The source and the mouth, seen from orbit

Nidelva: satellite view of the source
The source14 km across
Nidelva: 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

Nidelva in pictures

Houses on Nidelva Riverfront, Trondheim, West view 20150605 2
DXR · CC BY-SA 4.0
Houses on Nidelva Riverfront, Trondheim, West view 20150605 3
DXR · CC BY-SA 4.0
Trondheim Norwegen
Hesse1309 · CC BY-SA 3.0
Edificio a lo largo del río Nidelva, Trondheim, Noruega, 2019-09-06, DD 61
Diego Delso · CC BY-SA 4.0

Where these numbers come from

Name, length, placesWikidata (Q499668) · 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 atlasesCascadyas, Lakeyas, 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