Lake Uvs is a large saline lake located in the Uvs Nuur Basin, which straddles the border between Mongolia and Russia. It is the largest lake in Mongolia and is known for its unique ecosystem, which supports various species of birds and fish. The lake is part of a UNESCO World Heritage site, recognized for its natural beauty and biodiversity. The lake covers an area of approximately 3,350 square kilometers and is situated at an elevation of about 1,800 meters above sea level. Its saline waters are a result of high evaporation rates, and the surrounding region features a mix of steppe and desert landscapes. Lake Uvs plays a crucial role in the local climate and ecology.