Main image

Jan Sysel CC BY-SA 4.0 Wikimedia Commons

Uvs Nuur

Lake

Uvs Nuur basin in northwest Mongolia is a saline lake and UNESCO biosphere reserve with desert‑steppe landscapes and migratory birds; remote access draws birdwatchers, photographers and overland travelers.

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Uvs Nuur essentials

Country: Mongolia
Driest months: Jan-Mar
Pay in: Tugrik (₮)
Emergency: 102

Uvs Nuur at a Glance

About Uvs Nuur

Uvs Nuur is a large endorheic lake and the core feature of a broader hydrological basin in northwestern Mongolia. The lake and surrounding basin comprise a mosaic of saline lakes, marshes, steppe and mountain systems that support a wide range of habitats.

The basin is internationally recognised for its ecological diversity, with coastal marshes, salt flats and upland pastures that host migratory birds, endemic plants and a mixture of steppe and alpine species. Seasonal wetlands and river deltas around the main lake are important for birdlife and local grazing.

The basin’s natural patterns result from its closed drainage and wide climatic gradients, and it has been the subject of ecological surveys and conservation measures to protect habitat and traditional nomadic land use. The Uvs Nuur Basin is managed to balance biodiversity values with local pastoral livelihoods.

Uvs Nuur lies in northwestern Mongolia near the Russian border in a broad basin framed by mountain ranges and steppe plains; access is by road from provincial centres and the landscape is largely remote.

  • World Heritage basin: Part of the transboundary Uvs Nuur Basin World Heritage area noted for its combination of desert, steppe, alpine and wetland ecosystems and high biodiversity.

What to See#

  • Uvs Lake: Uvs Lake, the central saline lake of the basin, forming the hydrological focus of a wide, largely closed catchment with extensive marshes and seasonal wetlands.
  • Basin landscapes: Scattered salt flats, steppe and mountain-fringed basins that together form the Uvs Nuur Basin World Heritage area with varied habitats from forest steppe to desert.

Tips for Visiting Uvs Nuur

  • Plan your trip for late June-August when roads and services around Uvs Nuur are most reliable and migratory bird concentrations are at their peak.
  • Base yourself in the nearest regional town and hire a local driver or guide - the lake lies in a remote UNESCO biosphere area and local knowledge helps you reach the best birding and shoreline spots.
  • Set aside time for short excursions to lesser-visited shores and saline flats: many visitors stick to the main viewing points and miss rich birdlife and traditional nomadic land-use patterns along quieter stretches.
Things to Do
When to Go

Best Time to Visit Uvs Nuur

Best visited in summer (June-August) when the lake and surrounding steppe are accessible and wildlife activity is higher.

Summer
June-August · 10-25°C
Milder temperatures and accessible roads around the lake-best time for birdwatching and exploring the shore.
Shoulder seasons
May, September · 0-15°C
Cooler conditions and fewer visitors; some services may be limited outside peak months.
Winter
November-April · -30--5°C
Severe cold and frozen lake conditions; travel becomes more difficult and many activities are limited.

Weather & Climate near Uvs Nuur

Climate

Uvs Nuur's climate is classified as Cold Semi-Arid - Cold Semi-Arid climate with mild summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -33°C to 24°C. Very dry conditions with minimal rainfall with a pronounced dry season.

Air Quality: AQI 34 Good
Best Time to Visit
JulySeptemberJune
Temperature & Rainfall
Temperature Range
37°
Warmest Month
-38°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -33° - -23° -28° 4 mm overcast 85% 0.8 m/s 0.1 low 8.4h
February Poor -32° - -20° -26° 4 mm overcast 80% 1.0 m/s 0.2 low 9.9h
March Poor -24° - -9° -21° 5 mm overcast 61% 1.5 m/s 0.6 moderate 11.7h
April Acceptable -5° - 6° -3° 9 mm partly cloudy 48% 2.4 m/s 1.0 moderate 13.6h
May Very Good 3° - 15° 8° 14 mm partly cloudy 44% 2.5 m/s 1.4 high 15.3h
June Very Good 10° - 22° 16° 31 mm partly cloudy 45% 2.0 m/s 1.8 very high 16.2h
July Excellent 12° - 24° 18° 46 mm partly cloudy 49% 1.6 m/s 1.7 very high 15.7h
August Very Good 11° - 23° 17° 38 mm partly cloudy 51% 1.6 m/s 1.4 high 14.3h
September Very Good 5° - 17° 11° 21 mm some cloud 52% 1.6 m/s 0.8 moderate 12.5h
October Good -2° - 9° 2° 14 mm partly cloudy 58% 1.5 m/s 0.4 low 10.6h
November Poor -11° - -2° -7° 14 mm overcast 69% 1.2 m/s 0.1 low 8.8h
December Poor -26° - -17° -22° 7 mm overcast 82% 0.8 m/s 0.1 low 7.9h