Tay villages in Du Gia farm rice and fish on the valley floor. Hmong communities above them grow corn and cassava on steep slopes. Lo Lo families in Chai village maintain mud-walled houses and a distinct language isolate that fascinates linguists and guests alike.
Dao Cham in Nam Dam are known for herbal medicine — gardens beside stilt houses, drying racks for roots and leaves, a shrine calendar that marks planting and harvest. Lung Tam is a White Hmong weaving cooperative where indigo vats and looms run six days a week.
Markets matter here. Sunday markets at Meo Vac and Dong Van are reachable by road, but the smaller commune markets — ask your guide — are where trade still happens on foot.