The main reason is due to its breathtaking views filled with snowflakes on cold days and the tranquility and peace that people feel when coming here. Moreover, Ô Quy Hồ Pass has a reputation for being the highest pass in the Northeast of Vietnam, so people can easily see the clouds floating on the top of the pass. Plus, it has a significant meaning when known as the crossing point between Lai Chau and Lao Cai.