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River

Aisne

356 km from source to mouth · France.

FranceFranceFlows into Oise

Follow the riverMonth by month

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

In numbers

Length

356km

Average flow

63m³/s

Basin

7,700km²

Drop

123m

from 155 m to 32 m

Country

1

The journey

From source to mouth

356 km of river and 68 stops on the way: 60 towns and cities on its banks, dams, bridges and the tributaries that feed it.

155 m32 m
Rembercourt-Sommaisneat 155 m0 km
Sainte-Menehould4,146 people35 km
Airetributary85 km
Vouziers3,825 people111 km
Rethel7,444 people163 km
Ruisseau de Saulcestributary166 km
Suippetributary222 km
Berry-au-Bac722 people227 km
Vesletributary279 km
Soissons28,046 people297 km
Oiseat 32 m356 km
0100200300356 km
  1. 0 kmRembercourt-Sommaisneat 155 m
  2. 7 kmÉtang de Belval0.7 km²
  3. 35 kmSainte-Menehould4,146 people
  4. 72 kmAutry93 people
  5. 85 kmAiretributary
  6. 93 kmChallerange417 people
  7. 106 kmFalaise346 people
  8. 111 kmVouziers3,825 people
  9. 114 kmBallay242 people
  10. 116 kmVandy204 people
  11. 136 kmAttigny1,094 people
  12. 137 kmRuisseau de Saint-Lamberttributary
  13. 143 kmFoivretributary
  14. 146 kmAmagne814 people
  15. 149 kmAmbly-Fleury132 people
  16. 159 kmBiermes316 people
  17. 161 kmSault-lès-Rethel1,900 people
  18. 163 kmRethel7,444 people
  19. 166 kmRuisseau de Saulcestributary
  20. 166 kmAcy-Romance479 people
  21. 170 kmBarby389 people
  22. 178 kmChâteau-Porcien1,285 people
  23. 180 kmCondé-lès-Herpy218 people
  24. 189 kmBlanzy-la-Salonnaise378 people
  25. 197 kmAsfeld1,082 people
  26. 202 kmAvaux520 people
  27. 206 kmÉvergnicourt522 people
  28. 207 kmRetournetributary
  29. 207 kmBrienne-sur-Aisne277 people
  30. 208 kmNeufchâtel-sur-Aisne424 people
  31. 215 kmVariscourt217 people
  32. 221 kmCondé-sur-Suippe357 people
  33. 222 kmSuippetributary
  34. 225 kmJuvincourt-et-Damary604 people
  35. 227 kmBerry-au-Bac722 people
  36. 235 kmPontavert605 people
  37. 241 kmConcevreux256 people
  38. 243 kmCuiry-lès-Chaudardes84 people
  39. 247 kmMaizy392 people
  40. 249 kmBeaurieux794 people
  41. 251 kmCuissy-et-Geny72 people
  42. 257 kmBourg-et-Comin809 people
  43. 264 kmSoupir272 people
  44. 267 kmChavonne214 people
  45. 267 kmPresles-et-Boves320 people
  46. 273 kmVailly-sur-Aisne2,050 people
  47. 273 kmChassemy895 people
  48. 278 kmCondé-sur-Aisne352 people
  49. 279 kmVesletributary
  50. 282 kmMissy-sur-Aisne625 people
  51. 283 kmSermoise340 people
  52. 283 kmCiry-Salsogne882 people
  53. 288 kmAcy1,004 people
  54. 289 kmVenizel1,324 people
  55. 292 kmBucy-le-Long1,947 people
  56. 293 kmVilleneuve-Saint-Germain2,616 people
  57. 297 kmSoissons28,046 people
  58. 299 kmCuffies1,733 people
  59. 301 kmPasly1,100 people
  60. 304 kmPommiers726 people
  61. 308 kmPernant682 people
  62. 312 kmFontenoy483 people
  63. 319 kmBerny-Rivière631 people
  64. 321 kmVic-sur-Aisne1,608 people
  65. 325 kmMontigny-Lengrain674 people
  66. 329 kmAttichy1,857 people
  67. 350 kmChoisy-au-Bac3,449 people
  68. 353 kmCompiègne40,761 people
  69. 353 kmClairoix2,208 people
  70. 356 kmOiseat 32 m

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

River in France, tributary of the Oise

At the mouth it carries 63 m³/s on average: an Olympic pool every 40 seconds. It drops from 155 m to 32 m, 0.3 m per kilometre on average. Its basin covers 7,700 km², about the size of PR. 520,000 people live in it. Highest water: from December to February. No large dam holds it back: it is one of the world's free-flowing rivers.

Read more on Wikipedia

Where to start

  • CompiègneLargest city on its banks · 40,761 people
  • Charles de Gaulle International Airport (CDG)Nearest airport with scheduled flights, 49 km from the cityCar hire at CDG airport (Paris)Discover Cars · Affiliate link
  • On the water14 ferry piers, marinas, boat rentals and boat ramps along the river (OpenStreetMap)
  • From May to SeptemberThe best months to visit

Aisne, month by month

Highest water: from December to February

Best months to visit: from May to September.

94
2°58 mmJan
83
3°52 mmFeb
56
6°46 mmMar
32
10°46 mmApr
23
13°58 mmMay
21
16°60 mmJun
20
18°60 mmJul
25
18°67 mmAug
30
15°59 mmSep
40
11°55 mmOct
62
6°63 mmNov
84
3°63 mmDec
Water (estimated flow)Air (average) Rain (mm)Best months

From about 20 m³/s in the lowest month to 94 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

Aisne: the basin in numbers

7,892 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.
  • 520,000people live in the basin
  • 66/km²people per km²
  • 148maverage altitude of the basin
  • 715mmof rain a year (basin average)
  • 9.8°Caverage air temperature
  • 3%protected areas
  • 0.1%covered by lakes

What covers the basin

  • 9% Forest
  • 55% Cropland
  • 11% Pasture
  • 2% 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

Aisne: what you find on the way

  • 20WeirsCentrale Hydro-Éléctrique and 19 more
  • 121LocksCanal de Vouziers, Canal des Ardennes, Canal Latéral à l'Aisne and 118 more
  • 1Waterfalls
  • 4Boat ramps
  • 9MarinasHalte Nautique d'Attigny, Halte Nautique de Rethel, Halte Nautique de Sapigneul and 6 more
  • 1Boat rentals

From OpenStreetMap, within 1.7 km of the river. Not mapped is not the same as not there.

Cross-checked with our atlases

Aisne 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.

  • 1lake on its wayLakeyas

Lakes and reservoirs (1)

Lakes it flows through, by Lakeyas

  1. Étang de Belvalkm 50.7km²

Lakeyas is coming soonOpen Lakeyas ↗

From space

The source and the mouth, seen from orbit

Aisne: satellite view of the source
The source14 km across
Aisne: satellite view of the mouth
The mouth12 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

Aisne in pictures

Aisne Berry-au-Bac 150808 1
Vassil · Public domain
Aisne Berry-au-Bac 150808 2
Vassil · Public domain
Aisne river at Semuy (Ardennes, Fr)
Havang(nl) · CC0
Aisne river at Voncq (Ardennes, Fr.)
Havang(nl) · CC0

Tributaries

Where it flows, and what flows into it

Tributaries (20)

Also: Vesle, Aire, Suippe, Auve, Tourbe, Retourne, Biesme, Crise, Vaux, Ante, Bionne, Rû de Retz, Dormoise, Miette, Ruisseau de Saulces, Ruisseau de Saint-Lambert, Foivre, Fournelle, Rû d'Hozien, Rû de Vandy

Where these numbers come from

Name, length, placesWikidata (Q41962) · 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 — 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