Viacha is a city in Bolivia, situated in the Ingavi Province in the La Paz Department.

Viacha lies in the Altiplano, 22 km southwest of La Paz.

Other sources of income for the city include agriculture, mainly consisting of potatoes.

The location of Viacha, which lies close to Lake Titicaca and Tiawanaku, makes it a cultural center for the Irohito-Urus.

This La Paz Department geography article is a stub.