"Three Color Lake" is located in Puyu Village, Bianba Town, Bianba County, 50 kilometers away from the county seat. The scenic spot is attracting the attention of more and more tourists because of its colorful water colors, swarms of fish, beautiful azaleas, lush forests and ancient castles, and is listed as an autonomous region-level scenic spot.

The three-color lake is composed of three lakes in black, white and yellow, arranged in regular rows of "pin" characters. The lakes are separated by low mountain platforms. They are all formed by years of water accumulation in the low valleys of the valleys. . The three lakes have a total area of about 150,000 square meters and a storage capacity of 2.8 million cubic meters. Among them, Black Lake is the largest, with an area of about 100,000 square meters and a livestock water capacity of 2 million cubic meters. Sanse Lake is located in the subsidence zone of the Nujiang Canyon fault, with an altitude of more than 4,100 meters, complex terrain and changeable climate. The Black Lake is in the shape of a "Z" and winds around the mountains. The mountain shadows in the scenic area cover the lake, and the entire lake cannot be seen. The black rock mountain directly dips into the bottom of the lake, and the water is deep and dark, hence the name "Black Lake"; at the lower end of the Black Lake, the water passes through the mountain cracks and leaks into the White Lake through the narrow water channel. The White Lake is located in the lower reaches of the Black Lake, covering an area of 43,000 square meters. The terrain is flat, the lake surface is calm, and it is relatively open. The sand and gravel on the lake beach are white, so it is named "White Lake". The water of White Lake flows into the river and flows into the upper reaches of Nujiang River; Yellow Lake is a backwater lake, forming a lake by itself, with the smallest area and turbid water. , rich in yellow minerals, named "Yellow Lake". The Yellow Lake, Black Lake and White Lake have very different scenery, and the three-color scenery complements each other, so it is named "Three-Color Lake".

"Sanse Lake" is the sacred lake in the hearts of local people. Every year on June 4th in the Tibetan calendar, people from all over the country go to Sanse Lake to walk around mountains and pray for blessings.

The Sanse Lake Scenic Area has towering peaks, melancholy grass and trees, and the fragrance of birds and flowers. Especially in May and June, azaleas bloom all over the mountain, forming a sea of flowers. This beautiful scene makes millions of tourists intoxicated without knowing it.

There are many kinds of natural resources in Sanse Lake Scenic Area. Mineral resources include lead and zinc. Forest resources include cypress, pine, poplar, birch, sea buckthorn, etc.. Medicinal resources include cordyceps, fritillary, rhodiola, snow lotus, etc. Ganoderma lucidum, Anemarrhena and other medicinal materials. Wild animal and plant resources: argali, Tibetan snow chicken, snow wattle, monkeys, bears, etc.

The "Three Color Lake" not only attracts the attention of tourists from all walks of life with its unique charm, but is also rich in its own mysterious cultural landscape.