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River

River Great Ouse

240 km from source to mouth · United Kingdom.

United KingdomUnited KingdomFlows into North Sea4th longest in United Kingdom

Follow the riverMonth by month

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

In numbers

Length

240km

Average flow

66m³/s

Basin

8,530km²

Drop

78m

from 75 m to -3 m

Country

1

The journey

From source to mouth

240 km of river and 61 stops on the way: 34 towns and cities on its banks, dams, bridges and the tributaries that feed it.

75 m-3 m
Wappenhamat 75 m0 km
Milton Keynes264,349 people26 km
Olney6,598 people46 km
Harrold Bridge58 km
Bedford92,407 people91 km
River Iveltributary107 km
Huntingdon25,432 people134 km
St Ives16,934 people141 km
River Camtributary179 km
Ely20,256 people185 km
River Wisseytributary213 km
North Seaat -3 m240 km
050100150200240 km
  1. 0 kmWappenhamat 75 m
  2. 3 kmBrackley Viaduct
  3. 3 kmBrackley16,188 people
  4. 4 kmBuckingham14,294 people
  5. 16 kmDeanshanger3,817 people
  6. 19 kmStony Stratford7,872 people
  7. 19 kmBridge Over River Ouse (That Part In Old Stratford Civil Parish)
  8. 22 kmCosgrove Aqueduct
  9. 23 kmWolverton12,492 people
  10. 26 kmMilton Keynes264,349 people
  11. 26 kmNew Bradwell3,509 people
  12. 33 kmNewport Pagnell15,586 people
  13. 38 kmTyringham Bridge
  14. 45 kmOlney Bridge
  15. 46 kmOlney6,598 people
  16. 51 kmCold Brayfield91 people
  17. 53 kmTurvey1,225 people
  18. 58 kmHarrold Bridge
  19. 80 kmClapham4,560 people
  20. 84 kmBromham Bridge
  21. 84 kmBromham4,957 people
  22. 87 kmKempston20,736 people
  23. 91 kmBedford Bridge
  24. 91 kmBedford92,407 people
  25. 105 kmGreat Barford Bridge
  26. 105 kmGreat Barford2,252 people
  27. 107 kmRiver Iveltributary
  28. 113 kmSt Denys' Church, Little Barford
  29. 116 kmSaint Neots30,811 people
  30. 116 kmEaton Socon5,704 people
  31. 117 kmSt Neots bridge
  32. 117 kmSt Neots33,103 people
  33. 119 kmRiver Kymtributary
  34. 120 kmLittle Paxton3,244 people
  35. 131 kmBrampton4,862 people
  36. 133 kmGodmanchester7,889 people
  37. 133 kmGodmanchester Chinese Bridge
  38. 134 kmOld Bridge, Huntingdon
  39. 134 kmHuntingdon25,432 people
  40. 136 kmHartford464 people
  41. 138 kmHoughton2,559 people
  42. 138 kmHoughton Mill
  43. 141 kmHemingford Grey3,163 people
  44. 141 kmSt Ives16,934 people
  45. 143 kmSaint Ives16,815 people
  46. 158 kmNew Bedford Rivertributary
  47. 158 kmOld Bedford Rivertributary
  48. 167 kmCottenham5,903 people
  49. 176 kmStretham Old Engine
  50. 176 kmGreenways
  51. 179 kmRiver Camtributary
  52. 180 kmLittle Thetford744 people
  53. 183 kmHawk Bridge
  54. 184 kmEly railway bridge
  55. 185 kmEly20,256 people
  56. 192 kmRiver Larktributary
  57. 194 kmLittleport9,910 people
  58. 201 kmLittle Ouse Rivertributary
  59. 213 kmRiver Wisseytributary
  60. 216 kmDownham Market11,349 people
  61. 235 kmKing's Lynn42,800 people
  62. 239 kmRiver Babingleytributary
  63. 240 kmNorth Seaat -3 m

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

River in the United Kingdom

At the mouth it carries 66 m³/s on average: an Olympic pool every 38 seconds. It drops from 75 m to -3 m, 0.3 m per kilometre on average. Its basin covers 8,530 km², about the size of PR. 1.8 million people live in it. Highest water: from December to January. Its dams hold back little of its water (2.8% of a year's flow).

Read more on Wikipedia

Where to start

River Great Ouse, month by month

Highest water: from December to January

Best months to visit: from June to September.

110
3°47 mmJan
83
4°34 mmFeb
63
6°43 mmMar
46
9°43 mmApr
42
12°47 mmMay
34
15°50 mmJun
27
17°49 mmJul
32
16°54 mmAug
41
14°51 mmSep
58
11°49 mmOct
83
6°52 mmNov
110
4°51 mmDec
Water (estimated flow)Air (average) Rain (mm)Best months

From about 27 m³/s in the lowest month to 110 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

River Great Ouse: the basin in numbers

8,172 km² of land send their water to this river. This is what lives on it.

Lightly regulatedReservoirs can hold 2.8% of a year's flow.
  • 1.8millionpeople live in the basin
  • 215/km²people per km²
  • 49maverage altitude of the basin
  • 584mmof rain a year (basin average)
  • 9.6°Caverage air temperature
  • 7%protected areas
  • 0.2%covered by lakes
  • 0.1km³held in reservoirs

What covers the basin

  • 66% Cropland
  • 11% Pasture
  • 9% 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

River Great Ouse: what you find on the way

  • 3Dams
  • 79WeirsGayhurst Weir, Kemspton Main Weir, Duckmill Weir and Sluice and 76 more
  • 64LocksGrand Union Canal, Bedford Lock, River Great Ouse and 61 more
  • 2Waterfalls
  • 33Boat rampsLionhearts Cruising Club, Chain Road and 31 more
  • 3Ferry piersKing’s Lynn Ferry Pier, West Lynn Ferry Pier
  • 35MarinasThrupp Wharf Marina, Haversham sailing club, Lionhearts Cruising Club and 32 more
  • 4Boat rentalsGo-paddle, Goodboats Day Hire, St Ives Electric Riverboat Co. and 1 more

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

Cross-checked with our atlases

River Great Ouse 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.

  • 1beach at the mouth or on the banksCoastya
  • 1mountain at the sourcePeakyas
  • 1island off the mouthIslandyas

Beaches (1)

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

  1. Snettisham Beach10 km away18.0°C

Open Coastya ↗

Mountains at the source (1)

Within 15 km of the source, by Peakyas

  1. Graven Hill14 km away

Open Peakyas ↗

Islands off the mouth (1)

Within 30 km of the mouth, by Islandyas

  1. Outer Trial Bank11 km away

Islandyas is coming soonOpen Islandyas ↗

From space

The source and the mouth, seen from orbit

River Great Ouse: satellite view of the source
The source14 km across
River Great Ouse: 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

River Great Ouse in pictures

Tributaries

Where it flows, and what flows into it

Tributaries (14)

Also: River Cam, River Nar, River Ouzel, River Lark, New Bedford River, Little Ouse River, Gaywood River, Old Bedford River, River Ivel, River Tove, River Wissey, River Kym, River Babingley, River Leck

Where these numbers come from

Name, length, placesWikidata (Q19716) · 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, 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