Although the Pinuyumayan people settled in the plains area with various ethnic communities and began contacts with outsider from a long time ago, they have maintained their traditions, culture, and lifestyle. They have a rigid age stratification organization and assembly hall system. Pinuyumayan witches are famous among ethnic groups for their powerful magic. Existing Pinuyumayan Rituals include the “Mugamut (Female Mowing Completion Ritual)”, “Masarut (Millet Harvest Ritual, Sea Ritual)”, “Vasivas (Monkey Hunting Ritual)”, and “Mangayau (Grand Hunting Ritual)”, where the “Mangayau (Annual Ritual)” is the largest ritual. Currently, the Pinuyumayan population is about 14,517 (as of January 2020).