(TITC) - Located next to National Road 4D, at the foot of O Quy Ho Pass in San Sa Ho Commune, Sa Pa District, Lao Cai Province, Bac (Silver) Waterfall with 200m height is the upstream of the charming stream of Muong Hoa. From Sa Pa Town, following 12km-long road with chayote gardens spreading over the hillsides, green pine forests, the lush fields of rose…, visitors will arrive in Bac Waterfall.