Khar-Us Lake (Mongolian: Хар-Ус нуур, romanized: Har-Us nuur; ᠬᠠᠷᠠᠤᠰᠤᠨᠠᠭᠤᠷ, "Black-Aqua Lake", is a lake in Khovd Province, Mongolia, located in Har Us Nuur National Park. It is the upper one in a system of the interconnected lakes: Khar-Us, Khar, Dörgön, Airag and Khyargas.
Its area value (1,852 km2) includes the island Agbash (or Ak-Bashi, white head) area (274 km2), so the water surface area is 1,578 km2 only.[1]
Some sources are using different Khar-Us Lake Lake statistics values:[2]
- Water level: 1,160.08 m
- Surface area: 1,496.6 km2
- Average depth: 2.1 m
- Volume: 3.12 km3.
| Surface input | Surface output | Groundwater inflow- outflow |
Retention time, years | ||
|---|---|---|---|---|---|
| Precipitation | Inflow | Evaporation | Outflow | ||
| 56.4 | 1,979.2 | 942.7 | 675.3 | -417.6 | 1.1 |
Primary inflow is the Khovd River, which creates a large river delta.
So called Genghis Khan's wall runs along the western shore of the Khar-Us Lake. It is possible to find it at the Google Map and Google Earth satellite maps 47°53′29″N 91°59′37″E / 47.89139°N 91.99361°E.
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