Kabi Longtsok is the place where indigenous tribes Bhutia, Lepcha had sworn as blood brotherhood to live harmoniously in this hidden valley. As per oral tradition, it is said that in 13th century AD Khye Bumsa, the great ancestor of the Bhutias and Thekong Tek. The Lepcha Chief Priest along with their retinue assembled at Kabi Longtsok to swear in as blood brotherhood. They invoked all the powerful spirits of this valley as witness and sworn to remain as blood brothers between two races until the River Rangit ceased to flow and Mt. Kanchenjongha remained.
They put their feet in a vessel, filled with animal blood and erected a stone as mark of this event.
If you are fond of discovering local culture and traditions then you can visit Kabi Lungchok during the festivals of Sekhiuk Puja and Pang Lhabsol.
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