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River

Wei River

818 km from source to mouth · China.

ChinaChinaFlows into Yellow River

Follow the riverMonth by month

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

In numbers

Length

818km

Average flow

330m³/s

Basin

135,000km²

Drop

1,773m

from 2,099 m to 326 m

Country

1

The journey

From source to mouth

818 km of river and 19 stops on the way: 14 towns and cities on its banks, dams, bridges and the tributaries that feed it.

2,099 m326 m
Niaoshu Mountainat 2,099 m0 km
Gangu Chengguanzhen103,589 people157 km
Xinxing97,483 people158 km
Baoji1,437,802 people403 km
Guozhen85,415 people416 km
Xianyang1,034,081 people567 km
Weinan1,199,290 people673 km
Yellow Riverat 326 m818 km
0200400600818 km
  1. 0 kmNiaoshu Mountainat 2,099 m
  2. 87 kmHualin16,103 people
  3. 93 kmYuanyang26,352 people
  4. 103 kmShandan24,235 people
  5. 111 kmWushan68,643 people
  6. 125 kmLuomen89,998 people
  7. 136 kmPan’an70,072 people
  8. 157 kmGangu Chengguanzhen103,589 people
  9. 158 kmXinxing97,483 people
  10. 165 kmLiufeng36,718 people
  11. 233 kmBeidao74,767 people
  12. 403 kmBaoji1,437,802 people
  13. 416 kmGuozhen85,415 people
  14. 567 kmXianyang1,034,081 people
  15. 576 kmFeng Hetributary
  16. 605 kmBa Rivertributary
  17. 610 kmJing Rivertributary
  18. 673 kmWeinan1,199,290 people
  19. 675 kmWeinan Weihe Grand Bridge
  20. 750 kmLuo Rivertributary
  21. 818 kmYellow Riverat 326 m

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

River in west-central China's Gansu and Shaanxi provinces

At the mouth it carries 329 m³/s on average: an Olympic pool every 7.6 seconds. It drops from 2,099 m to 326 m, 2.2 m per kilometre on average. Its basin covers 135,000 km², about the size of GR. 32.8 million people live in it. Highest water: from September to October; lowest: from January to April. Dams and reservoirs hold back a large share of its water (15% of a year's flow).

Read more on Wikipedia

Where to start

  • BaojiLargest city on its banks · 1,437,802 people
  • Tianshui Maijishan Airport (THQ)Nearest airport with scheduled flights, 128 km from the city
  • On the water3 ferry piers, marinas, boat rentals and boat ramps along the river (OpenStreetMap)
  • From April to June and from September to OctoberThe best months to visit

Wei River, month by month

Highest water: from September to October

Lowest water: from January to April. Best months to visit: from April to June and from September to October.

180
-1°5 mmJan
120
2°7 mmFeb
130
8°21 mmMar
200
14°45 mmApr
290
19°63 mmMay
360
23°67 mmJun
500
25°104 mmJul
610
24°105 mmAug
720
19°99 mmSep
700
13°52 mmOct
540
6°18 mmNov
360
0°5 mmDec
Water (estimated flow)Air (average) Rain (mm)Best months

From about 120 m³/s in the lowest month to 720 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

Wei River: the basin in numbers

135,139 km² of land send their water to this river. This is what lives on it.

Heavily regulatedReservoirs can hold 15% of a year's flow: dams shape its seasons.
  • 32.8millionpeople live in the basin
  • 243/km²people per km²
  • 1,378maverage altitude of the basin
  • 558mmof rain a year (basin average)
  • 9.6°Caverage air temperature
  • 3%protected areas
  • 0.1%covered by lakes
  • 1.5km³held in reservoirs

What covers the basin

  • 16% Forest
  • 40% Cropland
  • 40% Pasture
  • 6% 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

Wei River: what you find on the way

  • 8Dams
  • 16Weirs
  • 2Ferry piers
  • 1Marinas

From OpenStreetMap, within 2.5 km of the river. Not mapped is not the same as not there.

From space

The source and the mouth, seen from orbit

Wei River: satellite view of the source
The source14 km across
Wei River: satellite view of the mouth
The mouth50 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

Wei River in pictures

7001在过渭河 10
Liuxingy · CC BY-SA 4.0

Tributaries

Where it flows, and what flows into it

Tributaries (6)

Also: Luo River, Jing River, Ba River, Feng He, Niutou River, Chishui River

Where these numbers come from

Name, length, placesWikidata (Q847641) · 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

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.

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islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.Coming soonVisit
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canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Coming soonVisit