River
Tes
757 km from source to mouth · Mongolia and Russia.
Mongolia and RussiaFlows into Uvs Lake3rd longest in MongoliaUNESCO World Heritage
In numbers
Length
757km
Average flow
56m³/s
Basin
30,900km²
Drop
1,223m
from 1,982 m to 759 m
Countries
2
The journey
From source to mouth
757 km of river and 2 stops on the way: 0 towns and cities on its banks, dams, bridges and the tributaries that feed it.
- 0 kmSourceat 1,982 m
- 479 kmErzin Rivertributary
- 487 kmDus-Khol1.6 km²
- 757 kmUvs Lakeat 759 m
Water level along the river (RiverATLAS; the height is exaggerated). Towns: GeoNames and Wikidata; bridges, dams and tributaries: Wikidata.
River in Mongolia and Russia
At the mouth it carries 56 m³/s on average: an Olympic pool every 45 seconds. It drops from 1,982 m to 759 m, 1.6 m per kilometre on average. Its basin covers 30,900 km², about the size of BE. 24,000 people live in it. Highest water: July; lowest: from January to April. No large dam holds it back: it is one of the world's free-flowing rivers.
Where to start
- TooromtA town on its banks
- Ulaangom Airport (ULO)Nearest airport with scheduled flights, 125 km from the city
- From June to AugustThe best months to visit
Tes, month by month
Highest water: July
Lowest water: from January to April. Freezing months (average below −4 °C): from November to March. Best months to visit: from June to August.
From about 2.9 m³/s in the lowest month to 22 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
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The basin
Tes: the basin in numbers
29,532 km² of land send their water to this river. This is what lives on it.
- 24,000people live in the basin
- 1/km²people per km²
- 1,788maverage altitude of the basin
- 267mmof rain a year (basin average)
- -7.1°Caverage air temperature
- 5%protected areas
- 0.2%covered by lakes
- 52%permafrost
What covers the basin
- 20% Forest
- 3% Cropland
- 59% Pasture
RiverATLAS (HydroATLAS v1.0, CC BY 4.0): land cover, people, protected areas, glaciers and dams over the whole basin upstream of the mouth.
Cross-checked with our atlases
Tes 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
- Dus-Kholkm 3921.6km²
Lakeyas is coming soonOpen Lakeyas ↗
From space
The source and the mouth, seen from orbit
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.
Tributaries
Where it flows, and what flows into it
Tributaries (2)
Also: Erzin River, Tsereg
Where these numbers come from
| Name, length, places | Wikidata (Q2368048) · CC0 |
|---|---|
| Course, profile, basin | RiverATLAS v1.0 (HydroATLAS, Linke et al. 2019) · CC BY 4.0 — followed from the source to the mouth given by Wikidata |
| Flow | WaterGAP (RiverATLAS), 1971–2000 · CC BY 4.0 |
| Climate along the river | WorldClim (RiverATLAS), 1970–2000 · CC BY 4.0 |
| Towns, bridges, dams | Wikidata · CC0; GeoNames · CC BY 4.0 |
| Along the river | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
| Our other atlases | Lakeyas — 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.
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