Bhotiyas are people of presumed Tibetan heritage that live along the Indo-Tibetan border in the upper reaches of the Great Himalayas, at elevations ranging from 6,500 feet (2,000 m) to 13,000 feet (4,000 m). In Uttarakhand, they inhabit seven river valleys, three in the Garhwal division (Jadh, Mana and Niti) and four in the Kumaon division (Johar, Darma, Byans and Chaudans). Their main traditional occupation is Indo-Tibetan trade, with limited amounts of agriculture and pastoralism. They follow Hinduism and Buddhism and traditionally speak West Himalayish languages, which are slowly getting replaced by the predominant Indo-Aryan languages of the region.