Entre Ríos is the administrative center of Burdett O'Connor Province. It is located at an altitude of 1,230 metres (4,040 ft) at the confluence of Río Tambo and one of its tributaries, 110 kilometres (68 mi) and a three-hour ride east of Tarija, the departmental capital. The town is bordered by north-southerly mountain ranges and situated in an elongated triangular hollow of 10 kilometres (6.2 mi) length. It was previously called San Luis.
Climate
The average yearly temperature of Entre Ríos is 20.9 °C, the yearly precipitation of 1,300 mm appears mainly in the summer's wet season from January to March.
Climate data for Entre Ríos, Tarija, elevation 1,260 m (4,130 ft)