religion of Dayaks The Dayak indigenous religion is kaharingan, a form of animism which , for offical purposes , is categorized as a form of Hinduism In indonesia. The practice of kaharingan differs from group to group For example in some religious customary pratices, whenn a noble (kamang) dies , it is belived that the spirit ascends to a mountain were the spirits of past ancestors of the tribe resides Over the last two centuries ,some dayaks converted to islams, abandoning certain rights and practices. And christanity was introduced by european missionaries.