The purest Klein blue can be found in the Blue Lake in Western Sichuan.

Western Sichuan is always full of surprises. Although Baba Lake is not as well-known as the Milk Lake in Daocheng, its beauty is even more breathtaking. The blue of Baba Lake is pure Klein blue, which is unforgettable for its clarity and purity. The towering ancient trees and steep peaks around the lake complement each other, forming a beautiful picture🖼️ Baba Lake is located in the southwest of Baiyu County, in the Huolonggou Nature Reserve surrounded by mountains. As it is located deep in the reserve, it is rarely visited by people, and is little known outside of the local area. - 📍Baba Lake 🧭Navigation: Gaiyu Town, Baiyu County, Ganzi Tibetan Autonomous Prefecture, Sichuan Province (First navigate to Gaiyu Town, enter from the left checkpoint, and continue along the gravel road for about 15 minutes.) 🚦Transportation: Only suitable for 4WD, SUV or off-road vehicles, sedans are not recommended. 🎫Admission: Free ✅Activities: The lake is calm, suitable for kayaking, but life jackets must be provided! Or you can have a picnic by the lake. - ❗Tips: 1⃣️Some sections of the road are rugged, it is recommended to drive a 4WD off-road vehicle. 2⃣️The environment is in its original natural state, the signal is not good, you need to bring your own food and download offline maps in advance. 3⃣️If conditions permit, you can have a simple meal by the lake, but please take your trash with you, there is no dedicated cleaner here. 4⃣️Please note that the signal may be interfered with when flying a drone, and it is easy to lose control. 5⃣️It is recommended to go at noon, when the lake reflects the sunlight, the shooting effect is better.