Puerto de Mejillones is a province in the western parts of the Boliviandepartment of Oruro. It is one of the sixteen provinces in the Oruro Department. Its seat is La Rivera.
Location
The province is located between 18° 53' and 19° 16' South and between 68° 10' and 68° 26' West. It is surrounded by Sabaya Province in the north, west and east, and it borders the Republic of Chile in the southwest.
The province extends over 45 km from north to south, and 35 km from east to west.
Geography
Some of the highest mountains of the province are listed below:[2][3]