The lake covers an area of about 400 sq km. (100 thousand acres). It is the source lake of Nu River, which is confluence for all the streams and rivers of the southern Tanggula Mountain. Being about 4,650 m. (15,256 ft.) above the sea level, the lake is also the highest fresh water lake in the world. Local Tibetans worship it as the 'Holy Lake', every year of dragon on the Tibetan Calendar thousands of pilgrims will trek here to pray for good fortune. Looking from the train, you'll probably be magnetized when sighting the picturesque Cuona Lake. The lake just looks like a bluish mirror reflecting the surrounding high mountains in the water. There are also waterfowls playing in the lake and herds of cattle and sheep running in the grassland, which add much lively color to the lake. Just imagine how fascinating the lake would be when being further illuminated by the blue sky, white clouds and extensive grassland.
About 20 m. (66 ft.) east of the lake stands the Cuona Lake Sightseeing Station, which is a good platform to view the lake scenery.
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