The Gosaikunda Lake is located an altitude of about 4310m.In Rasuwa district is very popular pilgrimage sites for both the Hindus and Buddhist. Every year, thousands of Pilgrimages visit and take holy bath during Janai Purnima in August. The large rock at the center of the lake is said to be the remains of a Shiva shrine and it is also claimed that channel carries water from the lake directly to the tank at the Kumbheshwar Temple in Patan in the Kathmandu valley.
People believe that once in a lifetime have to go to this lake for inner salvation because Nil Kantha Shiva Mahadev is worshiped here. Who saved the creature by holding poisons on throat during the Earth forming time and came to this Himalaya and took the spring out with the help of his Trisula and threw away that poisons.
So there is believed that if we take holy bath we clean all our negative thinking and activities. For this wonderful mighty holy lack should be trekked for 4 days after the bus ride from Kathmandu to Dhunche.