The archaeological remains found in the region, such as presses, vats excavated in rocks and vessels of Roman origin, evidence their participation in the introduction of the viticulture in Monterrei.
From the IXth century, an expansion of wine production by religious orders occurs, using it as payment to monasteries and feudal lords. A wine that preserves the tradition through the centuries.
The territory of the DO Monterrei belongs to the basin of the Duero river, as it flows into the Támega River, which crosses the region of the apellation from the north to the south. It has some mild maritime influences but tends toward continental with hot dry summers while winters are cold. The area has considerable temperature fluctuations of up to 30 ° during the ripening season.
Monterrei has three types of soil: Slate and schist, ideal during times of drought, providing aromas. Granite and Sand that appeared from the degradation of the granitic rock. This gives a low PH, suitable for white wines.