Firstly, Mt. Kailash turns heavenly on a full moon night. It is believed that a holy dip in the Lake Mansarovar on a full moon night washes away all the sins of present and the past 100 lives and this very holy dip turns a person into a new human soul with the same body. According to the ancient Vedic astrology, the full moon radiates the most positive and vibrant cosmic energies. So, people try to reach Kailash on full moon to be a part of the sheer spiritual energy emanated in the natural surroundings of Kailash and Mansarovar Lake.