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Overview

Uvs Lake, located in the northern side of the Great Lakes Depression in Uvs province, is the largest lake in Mongolia, covering 3,350 sq. km at an elevation of 760 meters above sea level. This saline lake is considered a remnant of a much larger sea that existed thousands of years ago. Its vast size and unique ecosystem make it one of Mongolia’s most important natural landmarks.

Natural Features

• Saline lake stretching 84 km long, 79 km wide, and 6 m deep.

• Lies in an endorheic basin with no outflow.

• The northeast tip of the lake extends into Russian territory.

• Fed by 38 rivers, including major ones such as Baruun Turuun, Sagil, and Tes.

• Situated at the geo‑climatic boundary between Siberia and Central Asia, creating extreme temperature variations from −58 °C in winter to 47 °C in summer.

Wildlife & Ecology

• Home to 173 species of birds and 44 species of mammals.

• Globally endangered species such as the snow leopard, argali wild sheep, and Asiatic ibex inhabit the surrounding basin.

• Wetlands and steppe ecosystems support migratory birds and diverse flora.

Cultural & Global Significance

• In 2003, the Uvs Lake Basin was inscribed as a UNESCO World Heritage Site, recognized for its outstanding biodiversity and unique ecological value.

• The basin represents one of the most pristine natural environments in Central Asia.

Activities

• Birdwatching: Spot rare and migratory species along the lake’s shores.

• Wildlife Observation: Explore habitats of snow leopards, ibex, and argali sheep.

• Photography: Capture vast saline waters, dramatic landscapes, and diverse wildlife.

• Scientific Expeditions: Study geology, ecology, and climate in this unique basin.

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