Bolivia launches "Quinoa Trail" Quinoa is a grain that's been eaten as a staple food in the Andes ofr centuries - now, its health benefits have made it fashionable in the west, and the Bolivian government hasn't been slow to make the most of this, launching a "quinoa trail" for tourists to follow. The 1500 kilometre route goes through La Paz, Oruro and Potosi states, and the government hopes it will help pull local people out of poverty . Images.